Ambient temperature: 16 ~ 35℃ Measurement accuracy: ± 0.35 ℃ Test time: <= 2 seconds Test distance: 1 ~ 5CM Measuring range: 0.0 ~ 100 ℃ Automatic shutdown: 18 seconds Weight: 85g Size: 138 * 95 * 40mm Power: DC3V (AAA * 2)