DV2102MD Moisture sensor HMM101

Battery: 9V DC 6F22/6LR61
Operating Temperature: -10~45 ℃
Moister measuring Range: 0~46%
Accuracy: ±2%
Resolution: 0.1%
Temperature Range: -10~45°C
Accuracy: ±2°C
°F/°C switchable
LCD Display
Low battery indicator
Size:  136.5x50x30mm
with 1pc 9V 6F22 battery