diff --git a/config.lua b/config.lua
index 00522bd..6e13efb 100644
--- a/config.lua
+++ b/config.lua
@@ -9,6 +9,7 @@
         activityTimeout = 60,
         dropDirection = "forward",
         smallTextKristPayCompatability = true,
+        playSounds = true,
     },
     lang = {
         footer = "/pay <item>@%name% <amt>",
@@ -79,6 +80,18 @@
             [colors.white] = 0xECECEC
         }
     },
+    sounds = {
+        button = {
+            name = "minecraft:block.note_block.hat",
+            volume = 0.5,
+            pitch = 1.1
+        },
+        purchase = {
+            name = "minecraft:block.note_block.pling",
+            volume = 0.5,
+            pitch = 2
+        },
+    },
     currencies = {
         {
             id = "krist", -- if not krist or tenebra, must supply endpoint
@@ -102,13 +115,26 @@
         },
     },
     peripherals = {
-        monitor = nil, -- Modem to display on, if not specified, will use the first monitor found
-        modem = nil, -- Modem for inventories, if not specified, will use the first modem found
+        monitor = nil, -- Monitor to display on, if not specified, will use the first monitor found
+        modem = nil, -- Modem for inventories, if not specified, will use the first wired modem found
+        speaker = nil, -- Speaker to play sounds on, if not specified, will use the first speaker found
+        shopSyncModem = nil, -- Modem for ShopSync, if not specified, will use the first wireless modem found
         exchangeChest = nil,
         outputChest = "self", -- Chest peripheral or self
         -- NOTE: Chest dropping is NYI in plethora 1.19, so do not use unless
         -- the output chest can be accessed
     },
+    shopSync = {
+        enabled = false,
+        name = "Radon Shop",
+        description = "Shop for selling valuable items",
+        owner = "Allymonies",
+        location = {
+            coordinates = { 227, 70, -175 },
+            description = "East of spawn, just passed the ISA",
+            dimension = "overworld"
+        }
+    },
     exchange = {
         -- Not yet implemented
         enabled = true,
diff --git a/core/ConfigValidator.lua b/core/ConfigValidator.lua
index f9b2405..4fd9ddd 100644
--- a/core/ConfigValidator.lua
+++ b/core/ConfigValidator.lua
@@ -81,6 +81,10 @@
             [colors.white] = "number"
         }
     },
+    sounds = {
+        button = "sound",
+        purchase = "sound",
+    },
     currencies = {
         __type = "array",
         __min = 1,
@@ -96,10 +100,28 @@
     },
     peripherals = {
         monitor = "string?",
+        speaker = "speaker?",
         modem = "modem?",
+        shopSyncModem = "modem?",
         exchangeChest = "chest?",
         outputChest = "chest",
     },
+    shopSync = {
+        enabled = "boolean?",
+        name = "string?",
+        description = "string?",
+        owner = "string?",
+        location = {
+            coordinates = {
+                __type = "array?",
+                __min = 3,
+                __max = 3,
+                __entry = "number"
+            },
+            description = "string?",
+            dimension = "enum<'overworld' | 'nether' | 'end'>?: dimension"
+        }
+    },
     exchange = {
         enabled = "boolean",
         node = "string"
@@ -156,6 +178,14 @@
                 error("Config value " .. subpath .. " must refer to a modem")
             end
         end
+        if entryType == "speaker" then
+            if type(value) ~= "string" then
+                error("Config value " .. subpath .. " must be a speaker name")
+            end
+            if peripheral.getType(value) ~= "speaker" then
+                error("Config value " .. subpath .. " must refer to a speaker")
+            end
+        end
         if entryType == "chest" then
             if type(value) ~= "string" then
                 error("Config value " .. subpath .. " must be a networked chest")
@@ -183,6 +213,20 @@
                 end
             end
         end
+        if entryType == "sound" then
+            if type(value) ~= "table" then
+                error("Config value " .. subpath .. " must be a sound")
+            end
+            if not value.name or type(value.name) ~= "string" then
+                error("Config value " .. subpath .. " must have a name")
+            end
+            if not value.volume or type(value.volume) ~= "number" then
+                error("Config value " .. subpath .. " must have a volume")
+            end
+            if not value.pitch or type(value.pitch) ~= "number" then
+                error("Config value " .. subpath .. " must have a pitch")
+            end
+        end
         if entryType == "boolean" and type(value) ~= "boolean" then
             error("Config value " .. subpath .. " must be a boolean")
         end
@@ -247,6 +291,9 @@
             end
         end
     else
+        if not config then
+            config = {}
+        end
         for k,v in pairs(schema) do
             subpath = path .. "." .. k
             if type(v) == "table" then
diff --git a/core/ShopState.lua b/core/ShopState.lua
index 428fff8..7dd7040 100644
--- a/core/ShopState.lua
+++ b/core/ShopState.lua
@@ -1,19 +1,26 @@
 local Krypton = require("Krypton")
 local ScanInventory = require("core.inventory.ScanInventory")
 local Pricing = require("core.Pricing")
+local sound = require("util.sound")
+
+local shopSyncFrequency = 30
+local shopSyncChannel = 9773
 
 ---@class ShopState
 ---@field running boolean
 local ShopState = {}
 local ShopState_mt = { __index = ShopState }
 
-function ShopState.new(config, products, modem)
+function ShopState.new(config, products, modem, shopSyncModem, speaker, version)
     local self = setmetatable({}, ShopState_mt)
 
     self.running = false
     self.config = config
     self.products = products
     self.modem = modem
+    self.shopSyncModem = shopSyncModem
+    self.speaker = speaker
+    self.version = version
     self.selectedCurrency = config.currencies[1]
     self.selectedCategory = 1
     self.numCategories = 1
@@ -121,6 +128,9 @@
                     if refundAmount > 0 then
                         refund(transactionCurrency, transaction.from, meta, refundAmount, state.config.lang.refundRemaining)
                     end
+                    if state.config.settings.playSounds then
+                        sound.playSound(state.speaker, state.config.sounds.purchase)
+                    end
                 else
                     refund(transactionCurrency, transaction.from, meta, transaction.value, state.config.lang.refundOutOfStock)
                 end
@@ -218,6 +228,68 @@
             end
             sleep(math.min(1, state.config.settings.categoryCycleFrequency))
         end
+    end, function()
+        while state.running do
+            sleep(shopSyncFrequency)
+            if state.config.shopSync and state.config.shopSync.enabled and state.shopSyncModem then
+                local items = {}
+                for i = 1, #state.products do
+                    local product = state.products[i]
+                    local prices = {}
+                    local nbt = nil
+                    local predicates = nil
+                    if product.predicates then
+                        nbt = ""
+                        predicates = product.predicates
+                    end
+                    for j = 1, #state.config.currencies do
+                        local currency = state.config.currencies[j]
+                        local currencyName = "KST"
+                        if currency.krypton and currency.krypton.currency and currency.krypton.currency.currency_symbol then
+                            currencyName = currency.krypton.currency.currency_symbol
+                        end
+                        local address = currency.host
+                        local requiredMeta = nil
+                        if currency.name then
+                            address = product.address .. "@" .. currency.name
+                        else
+                            requiredMeta = product.address
+                        end
+                        table.insert(prices, {
+                            value = product.price / currency.value,
+                            currency = currencyName,
+                            address = address,
+                            --requiredMeta = requiredMeta
+                        })
+                    end
+                    table.insert(items, {
+                        price = prices,
+                        item = {
+                            name = product.modid,
+                            displayName = product.name,
+                            nbt = nbt,
+                            --predicates = predicates
+                        }
+                    })
+                end
+                state.shopSyncModem.transmit(shopSyncChannel, os.getComputerID(), {
+                    type = "ShopSync",
+                    info = {
+                        name = state.config.shopSync.name,
+                        description = state.config.shopSync.description,
+                        owner = state.config.shopSync.owner,
+                        software = {
+                            name = "Radon",
+                            version = state.version
+                        },
+                        location = state.config.shopSync.location,
+                    },
+                    items = {
+
+                    }
+                })
+            end
+        end
     end, unpack(kryptonListeners))
 end
 
diff --git a/radon.lua b/radon.lua
index 2034776..e394d43 100644
--- a/radon.lua
+++ b/radon.lua
@@ -1,10 +1,11 @@
 local oldPullEvent = os.pullEvent
 os.pullEvent = os.pullEventRaw
 
-local version = "1.1.3"
+local version = "1.1.4"
 
 --- Imports
 local _ = require("util.score")
+local sound = require("util.sound")
 
 local Display = require("modules.display")
 
@@ -38,10 +39,36 @@
 local modem
 if config.peripherals.modem then
     modem = peripheral.wrap(config.peripherals.modem)
-elseif peripheral.find("modem") then
-    modem = peripheral.find("modem")
 else
-    error("No modem found")
+    modem = peripheral.find("modem", function(pName)
+        return not peripheral.wrap(pName).isWireless()
+    end)
+    if not modem then
+        error("No modem found")
+    end
+end
+
+local shopSyncModem
+if config.peripherals.shopSyncModem then
+    shopSyncModem = peripheral.wrap(config.peripherals.shopSyncModem)
+else
+    shopSyncModem = peripheral.find("modem", function(pName)
+        return peripheral.wrap(pName).isWireless()
+    end)
+    if not shopSyncModem and config.shopSync and config.shopSync.enabled then
+        error("No wireless modem found but ShopSync is enabled!")
+    end
+end
+
+local speaker
+if config.peripherals.speaker then
+    speaker = peripheral.wrap(config.peripherals.speaker)
+else
+    speaker = peripheral.find("speaker")
+end
+
+if config.shopSync and config.shopSync.enabled and not config.shopSync.force then
+    error("ShopSync is not yet finalized, please update Radon to use this feature, or set config.shopSync.force to true to use current ShopSync spec")
 end
 
 local display = Display.new({theme=config.theme, monitor=config.peripherals.monitor})
@@ -482,6 +509,9 @@
                 onClick = function()
                     props.shopState.selectedCurrency = props.config.currencies[i]
                     props.shopState.lastTouched = os.epoch("utc")
+                    if config.settings.playSounds then
+                        sound.playSound(speaker, config.sounds.button)
+                    end
                 end
             })
             currencyX = currencyX + symbolSize + 2
@@ -515,6 +545,9 @@
                 onClick = function()
                     props.shopState.selectedCategory = i
                     props.shopState.lastTouched = os.epoch("utc")
+                    if config.settings.playSounds then
+                        sound.playSound(speaker, config.sounds.button)
+                    end
                     -- canvas:markRect(1, 16, canvas.width, canvas.height-16)
                 end
             })
@@ -587,7 +620,7 @@
     lastCanvasHash = newCanvasHash
 end
 
-local shopState = Core.ShopState.new(config, products, modem)
+local shopState = Core.ShopState.new(config, products, modem, shopSyncModem, speaker, version)
 
 local Profiler = require("profile")
 
@@ -621,7 +654,7 @@
             deltaTimer = os.startTimer(0)
 
             hooks.tickAnimations(dt)
-        elseif name == "monitor_touch" then
+        elseif name == "monitor_touch" and e[2] == peripheral.getName(display.mon) then
             local x, y = e[3], e[4]
             local node = hooks.findNodeAt(context.aabb, x, y)
             if node then
diff --git a/util/sound.lua b/util/sound.lua
new file mode 100644
index 0000000..cfb7a97
--- /dev/null
+++ b/util/sound.lua
@@ -0,0 +1,11 @@
+local function playSound(speaker, sound)
+    if not speaker then
+        return
+    end
+
+    speaker.playSound(sound.name, sound.volume, sound.pitch)
+end
+
+return {
+    playSound = playSound
+}
\ No newline at end of file