
Temperature range: indoor -10°C to 50°C.
Indoor hygrometer range: 25% RH to 98% RH.
Fix the unit on a wall indoor with a screw.
Check the maximum or minimum temperature and humidity by pressing the MAX/MIN switch. The memory will show the maximum or minimum teperature and humidity of the period from the last reset on the relative display
Reset the memory by pressing the RESET switch once.
For °C and °F conversion, push the switch at the back.
1.5 V AA battery power supply