Dimension:112mm (diameter) ; 40mm (height)

Able to monitor environment and test its smoke and fog in spots by system software;

Able to automatically detect and analyze smoke and fog by drawing out air  and then give signal to management center timely;

Storage temperature:  -40~85 Celsius degree, Operating himidity: -20~55 Celsius degree, relative humidity:0%-90%RH.

Communication Interface:RS485, 3 grade thunder-proof protection;Communication velocity:9600BPS.

Monitor arer:20 square meters.

With reposition button, ceiling mounting.

Output mode: relay normal open/normal close (can be setted).

L/C, T/T, W/U, D/P are all acceptable;

Minimum order is 50 pcs;

Urgent delivery: 10 work days after money arrival.