Portable Size: The winding design is practical, it takes less room to restore the device and you can easily pack the device if you need to take it somewhere. You won’t lose the probe as you can always restore them together. Wireless Connection: Compatible with both Android and iOS system, 164 feet Bluetooth connection distance, free app download. High Temperature Accuracy: The temperature of the BBQ thermometer is accurate to ±1℃/±1.8℉, and the short time temperature ranges from 0℃ to 310℃(32℉~590℉), the continuous temperature monitoring ranges from 0℃ to 250℃(32℉~482℉). Timer & Alarm: The wireless BBQ thermometer support Timer function and high/low temperature alarm, the phone and the device will alarm when time or temperature reached to the setting value. Specifications Diameter: 60mm Height: 20mm Net Weight: 30g(without probe and battery) Probe Length: 120mm Short Time Temperature Measurement Range: from 0℃ to 310℃(32℉~590℉) Continuous Temperature Monitoring Range: from 0℃ to 250℃(32℉~482℉) Temperature Accuracy: ±1℃/±1.8℉ Compatibility: iOS 10.0 or above, Android 4.4 or above Wireless Range: 50m/164ft Waterproof Grade: not waterproof Power: button cell CR2032*1  Warning The maximum temperature for short time measurement is 300℃/572℉ and the maximum temperature for long time measurement is 250℃/482℉, the probe and the metal wire will be burned out if the temperature go beyond the maximum number. Do not put probes or metal wire into fire or contact the heating tube directly. Do not put probes or the metal wire into water, it may lead to inaccurate measurements. Do not press probes and the metal wire too hard, it may damage the the plastic film of the wire and lead to short circuit. Your iOS device must be running iOS 10.0 or above to download the Inkbird Pro app. Your Android device must be running Android 4.4 or above to download the Inkbird Pro app.