Feature
1)Perpetual calender,clock alarm,snooze
2)Clock（clock format: 12/24H）
3)Wireless RF transmission with three channels. You can choose single;double or there channels, distance transmission about 100 meters in open outdoor.
4)Maximum/minimum record of in/out temperature and humidity. Clear max/min record by manual.
5) High/low and in/out door tempreture alarm.
6)Radio-controlled clock (WWWVB;DCF;MSF;NO RCC)
7)Toothbrush sterilization, can setting 3 groups sterilization time.
8)Sterilization counter to zero
9)Low voltage indication.
10)Valid keypad tone
11)Back light
Specification:
>Indoor temperature: 0°C~70°C
>Outdoor temperature:-40°C to 70°C
>Temperature accuracy:+ 1.0°C
Power consumption:
>Power supply:3x AA alkaline batteries
>Adapter: Output 5V
>Dimension:90mm x 190mm x40mm