Packaging: suction card

Packing: 400 PCS

Detailed description of products 
 Door and window alarm, so that the event occurred at the same time will reduce the loss to the minimum, so that you spend the least money, to achieve the best protection, deterrent effect. Economic recession social cases, how to protect their own and residential security has become an important topic. Want to rely on effective police force is not enough, prevention is better than make up for after the event, and all these let gentle door and window alarm to help you make the comprehensive defense of home security.
   This product is easy to install, just paste the main copy on the door and the door frame, or two Windows, and align (leave a gap of 5 mm or so). When someone opens a door or window illegally (the relative position of the main accessory changes), the alarm can send out a strong alarm warning the intruder to leave. When oneself want to open a door, window, can control by the switch. Suitable for residential, office, shop counter, etc. Use 3× 1.5v LR44 button battery (included in the machine, normal use time up to one year.
Main specification: 6cm long 3 cm wide 2 cm high
Attachment specification: 5.4cm long 1.3 cm wide 1.1 cm high
Siren power: 90 decibels
Power supply: 3× 1.5v LR44 button battery (installed in the main engine, normal use time up to one year)