Dual Way (Indoor and Outdoor) LCD Digital Thermometer with Clock Display Function, TM-2

1. In and out dual-way temperature measuring
2. Function of clock display
3. Temperature range: -50~70 Celsius
4. Resolution: higher than -20 Celsius, 0.1 Celsius; no more than -2 Celsius, 1 Celsius
5. Accuracy: ?±1 Celsius; Distinguish: 0.1 Celsius
6. Power??? one button batter (AG13, 1.5V)