WT0120 Wireless thermometer with outdoor sensor

WT0120 Wireless thermometer with outdoor sensor   433MHz, with or w/o RCC Transmission distance up to 100 meters         Features: 1. indoor temperature(°C or °F). 2. wireless outdoor temperature. 2. Min/Max records of temperature 2. Time and date by manual setting. 3.12-24 hours time display. 4. Perpetual calendar 5. Time alarm with snooze. 7. Wall hanging or free standing. 8. can receive up to 3 outdoor sensors 9. Synchronized instant reception.   Specification: 1. Indoor temperature: 0°C to +50°C 2. Outdoor temperature range:-40°C to +60°C 3. Temperature accuracy:±1.0°C   Power consumption: Receiver: 2xAAA 1.5V Alkaline batteries Transmitter: 1.5V 2xAAA Alkaline batteries Battery life: Minimum 12months for base station            Minimum 12months for transmitter Dimensions(HxWxD): 119mm×74mm×21mm