Specification: Thermometer type: Digital Material: Plastic Receiver range: 100ft (30.48m) Power: DC 3V Temprature range: -10C~250C(14~482F) Accuracy: 1C(2F) Temperature resolution: 0.1C Frequency : 433MHz Power supply: 4*AAA (#7) Battery (Not include) Temperature sensor: External 1m length Stainless steel probe: 220mm length Emitter size: 90*65*90mm Reciver size: 105*65*25mm Unit size: 280*210*75m Net weigh: 0.17KG Total weigh: 0.28KG Bullet: Easy to read and operate both indoors and outdoors, even at night Pre-programmed for 6 kinds of meat: beef,veal,lamb,pork chicken and turkey. 5 options for taste level The wireless receiver will beep when the food thermometer detects meat temperature reaches your programmed temperature Users are able to set the alarm to sound an alert for the required temperature or alternatively to set the alarm for use as a timer