Operation Voltage 

12VDC

24VDC

Sound 

Single sound

Pulse sound

Features 

Small size, low power consumption.

Easy install with two 3mm screw holes.

With reverse polarity protection

Uses 

Electric cabinet, Equipment warning, 

Machinery Refilling, Door Closing.

Station, Sub-street, Department store , 

Shop, Bank, Warehouse , Hospital, Museum,

 Garage…Shutter & Big door safety systems.