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)
