Smoke Sensor CHD-LH93

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

Storage temperature:  -40~85Operating himidity: -20~55, relative himidity:0%-90%

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 ).