1. Supply Voltage: DC3V (2 Section 7 AAA Basic Battery, NOT Included)nn2. Product Size : (138×95x40)mm (length x width x height)n3. Weight : about 90g(without battery)n4. Measurement range : 32°C ~42.9°C (body temperature):n0°C~100°C (object temperature)n5. Accuracy :n32°C ~34.9°C ±0.3°Cn35℃~42℃ ±0.2℃n42.1℃~42.9℃ ±0.3℃n6. Power consumption: ≤150 MWn7. Measurement distance :1cm~3cmn8. Automatic shutdown.:≤18 seconds