Long-Life Battery Fire Alarm System Standalone Smoke Alarm with TUV En14604 Certificate

The ZR150S household standalone photoelectric smoke alarm (alarm) detects fire by sensing smoke. When smoke in the room reaches a certain concentration, the alarm will send out sound and light warning alarm. This alarm is applicable for residential houses.
Standard implemented: EN 14604:2005/AC:2008

1. Single light source detection, free from false alarm due to dusts, insects and moisture
2. Professional maze design, quick sense of fire
3. Low power consumption, ultra-long standby time, 10-year service life
4. Fire-retardant plastic case with glossy surface treatment
5. Dismantle-free cover design for cleaning
6. Blind twist design +double-sided glue quick installation 

·Place the mounting plate on the desired installation location and mark where the holes should be drilled.
·Drill two holes with a diameter of 4 millimetres. (The distance between them is 42 millimetres)
·Push the plastic plugs into the holes.
·Insert the screws into the mounting plate, and tighten them firmly into the plugs.
·Fasten the smoke alarm on the mounting plate by twisting clockwise.
·Fasten the smoke alarm when the holes on the mounting plate and smoke alarm are aligned.
·Press the test button to check whether the smoke alarm operation normally, the smoke alarm is abnormal and can
not be used if no sound.
plastic plugs size:M4*20
Screw size:M2.6*16