1.When intruder is detected,the alarm system will sound off to alert the surrounding people and scared the intruder away.

2.It will inform people ocation when earth quake,fire or crisis happen.Able to sound out 125DBvolume,Do not use it unless in emergency situation

3.This product do not guaranee that it can fully prevent thief or crime act.

Weight: 25.7g                                                                                                                                          

Decibel: 125dB

Material：ABS

Battery：LR44*3pcs

QTY：80pcs

MEAS：42*33*24cm

G.W/N.W：4.4/3.75kgs

1.It will sound out when the pin is being pulled out and sound will stop when the pin is put back.

2.When you press the button that the light will be turn on.and it will be turn off when you loosen.

3.The alarm sound duration last about30mins with new battery,will et softer until battery is used us.

   Use a screw driver to loosen the battery cover screw and open it in the arrow direction

   Take the used battery out and install 3pcs LR44 batteries.

   Install the battery cover backand tighten with screw.