Display: 2-digit LCD digital display; digit height: 15 mm

Sampling speed: 3 times/s

Resolution: 1%

Measurement range: 5% ~ 40%

Measurement accuracy: ±1% rdg + 1 digit

Working environment: 0~40 °C, 0~70% Rh

Storage environment: -10~50 °C, 0~85% Rh

Power source: one 6F 22-type 9 V battery

Size of instrument: 130 (L) × 61 (W) × 30 (H) mm

Weight: about 137 g (without battery)