Door and window alarm magnetic separation alarm door magnetic household alarm door and window burglar door and window alarm
[material] ABS+ electronic components
[size] 6*4.3*2.3cm
[weight] 0.038 kg
[packaging] suction card
[origin] zhejiang

Product model bl-9805a door and window alarm door magnetic pack 400 per box

Using electromagnetic induction technology, easy to install, cheap price. In the open state, just open the doors and Windows. The machine sends out a high-decibel alarm. Let you from now on away from theft-proof door window brings inconvenience to you. Use: installed in the family, company, warehouse doors and Windows, cabinets, drawers, etc. do not allow others to open the place, when thieves pry open doors and Windows; Or travel to the hotel outsiders open the door, it will issue an alarm, please immediately check to ensure that your property and safety is damaged.

This product is easy to install, just paste the main machine on the door frame and the secondary machine on the door, or two Windows, the secondary machine arrow and the side of the main machine mark alignment. When someone opens the door or window illegally (the main accessory is separated more than 10mm), the alarm can be issued. A 90db alarm warns intruders to leave. When oneself want to open a door, window, can control by the switch. Use 3×1.5vlr44 button battery (included in the machine).

The alarm is installed on the door or window. If the thief wants to open the door or window, the alarm will immediately give out an alarm sound. Turn off the switch when not in use. The alarm USES magnetic sensing control technology, long service life, simple and convenient installation. Adhesive paste, no screw installation, direct paste can be used! No damage to household items! (it can also be installed in the computer case of Internet cafes to prevent computer hardware theft)

Use: can be installed on the door and window, has the switch, when the switch opens, if the door and window is opened, will issue the loud alarm sound. When sleeping in the evening or not at home, not in the office, will open the alarm switch, can be safe against theft.

Usage: Alarm system is composed of a large and a small, stick alarm size respectively on two Windows on either side of the gap between large and small parallel arrangement, as far as possible gaps in the middle size not more than 5 mm (you can refer to the packing way better), small one arrow, to parallel to the opposite direction of the arrow on the big and big stick good, if it is to guard against theft, close the window, open the alarm switch, if a thief push window, as long as the Windows open (that is too big to alarm is separated from small one more than 5 mm), the alarm will be issued a strong warning sound, the owner of the house will act immediately, Thieves will be caught red-handed or run away.