Specification:Color: BlackDsiplay: LCD+APP  Material: ABS Shell + Stainless Steel ProbeTemperature range: -20C ~ 250CMeasurement accuracy: ±1℃Measurement time: 2 times per secondWireless distance: 40 meters (Class II)Product app: Support for iOS and Android systemsPower: 2*AAA battery (Not included)Alarm mode: APP prompt alarm + product self alarmSize: (L)X(W)X(H) 7X7X2.5cm /2.76"X2.76"X0.98"(appr.) Features:? ℃/℉ switch display? Acrylic mirror, smooth to touch? Lightweight and portable design? The product comes with a dual timer.? Unique design can work with or without the app? Low power bluetooth 4.0 chip transmission signal, no pairing, automatic connection? Industrial temperature measurement chip to ensure accurate temperature measurement.? The large screen displays the current temperature of the dual probe at the same time, which is convenient to use. - Turn On/Off Unit  1. ON - Press 3 seconds to turn ON the smart device   2. OFF- Press 3 seconds to turn OFF the smart device - Helpful Hints  1.Do not immerse the probe in water while cleaning  2.Do not use metal probe in microwave oven  3.Do not allow the probe wire to contact with flames 4.Avoid probe touching bone or heavy fat areas. It might cause temperature display seems increase too fast Package included:1 Pcs BBQ Thermometer2 Pcs Probe1 Pcs English Manual