Working current: less than 200mA
Use gas: methane
Working environment temperature: -10-55℃
Sampling method: natural diffusion
Range: 0-LEL

Alarm concentration error: +/- 3%LEL
Response time: less than or equal to 30s,
Automatic reply in normal environment, alarm volume: greater or equal to 70db,
Alarm mode: sound and light alarm, human voice prompt, fertilization alarm push.
Warm-up time: 180 seconds
Installation method: wall-mounted
Colour: black + white
Material: ABS
Size: 86x86x24.5mm

Package Contents:
1 * Alarm
1 * Data line
1 pack of * Screws
1 * Link cable