【New, Unopened】J108 Carbon Monoxide Checker

A compact checker that measures carbon monoxide concentration and ensures safety with an 85dB alarm sound.

- Model: J108
- Function: Carbon Monoxide Checker
- Power Supply: 3.0V-4.5V
- Measurement Range: 30PPM-999PPM
- Sound Pressure Level: 85dB
- Size: 9.5×9.5×2.5cm

Thank you for looking.