Features:1) Indoor & Remote Sensor temperature (°F or °C), time, calendar and alarm2) One XT200 remote sensor included3) Receive three remote sensors4) Min. and max. memory5) Manual set time, calendar date6) Alarm7) Synchronized instant reception8) Flip out desk stand or wall mount

Specifications:1) Indoor temperature range: -10°C ~ +60°C2) Remote temperature range: -40°C ~ +65°C3) Temperature accuracy: +/-1.0°C4) Power requirements (receiver): 2 x "AA",(remote): 2 x "AAA" alkaline batteries6) Transmission frequency: 433.92MHz7) Transmission range: up to 30 meters (100 feet) in free open air8) 1 years battery life for both outdoor and remote sensor(alkaline battery used)9) Rohs & CE complainced

digital wireless thermometer with alarm clock