App: 1) Bluetooth control with APP downloadable in Apple Store&Google Play Store, named 'Grill Now Touch' 2) Compatible with IOS6.0+&Android 4.3+ (Bluetooth 4.0+) 3) Operating temperature range: 0C to 50C (32F to 122F) 4) Pre-programs: Beef, Lamb, Veal, Hamburger, Pork, Turkey, Chicken and Fish. 5) Doneness selections: Rare, Medium Rare, Medium, Well Done 6) App can run/sync in the background of phone system 7) Custom settings ensure you cook perfectly 8) No need to get multiple apps&devices, view two grills simultaneously just via one app. Remote Sensor Probe: 1) Heat resistance value of sensor probe:<250 C/482F 2) Heat resistance value of wire:<250C/482F, 4 hours heat resistance at 350C/662F 3) Stainless steel probe (0.2m) with cable (1.3m) 4) Centigrade and Fahrenheit Conversion 5) bluetooth transmission 6) Transmitting Distance: 70-100 meters in sight, 25 meters with wall 7) 3pcs AA batteries 8) Dimension: D90 x H38mms