TPM 10 – Hygrometer for Refrigerator
Indoor Humidity measuring range: 20%-99%
Power supply :one 7# alkaline battery
Resolution: Tem:0.1°C
Humidity:1%RH
Humidity:5%-85%RH
Operation environment: Temp. 0°C~+50°C
Indoor temperature measuring range: -30°C~+50°C(-22°F~122°F)
Outdoor temperature measuring range: -50°C~+70°C(-58°F~158°F)