WT0121---Wireless Digital Thermometer with alarming,rf 433 radio controlled

Features:   1. Indoor temperature(°C or °F), range is 0°C~70°C 2. Wireless outdoor temperature, range is -40°C~70°C 3.High/low temperature alarming indoor and outdoor 4.RCC(Radio clock control ) 5. Min/Max records of temperature 6. Time and date by manual setting. 7. 12-24 hours time display. 8. Perpetual calendar 9. Time alarm with snooze. 10. Wall hanging or free standing. 11. can receive up to 3 outdoor sensors 12. Synchronized instant reception.   Specification: 1. Indoor temperature: 0°C to +70°C 2. Outdoor temperature range:-40°C to +70°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): 66mm×120mm×22mm