小规模无线温度计

Features: 1) Indoor temperature (°F or °C) 2) Remote outdoor temperature (°F or °C) 3) Indoor Humidity 4) One remote sensor transmitter included 5) Receive one remote sensor transmitter signal 6) Free standing or mount on wall 7) Min. and max. temperature memory record 8) Synchronized instant reception of RF signal 9) Japan brand humidity sensor 10) size 75x60x20(Receiver),65x48x28(Transmitter) Specifications: 1) Indoor temperature range: -20°C +60°C 2) Indoor humidity range: 20% - 98%, with +/-5% tolerance in temperature range of 0 - 50°C 3) Remote outdoor temperature range: -40°C +70°C 4) Temperature tolerance: +/-1.0°C 5) Battery requirements (receiver): 2 x "AAA" alkaline batteries (not included) 6) Battery requirement (remote): 2 x "AAA" alkaline batteries (not included) 7) Transmission frequency: 433.92MHz 8) Transmission range: up to 100 feet in free open air 9) Minimum 18 months battery life for outdoor remote sensor (alkaline battery used) 10) Minimum one year battery life for indoor receiver (alkaline battery used)