JOHNYSTAR a large number of long-term production and processing supplies a variety of electronic goods. Cheap and practical, beautifully packaged and generous. Stable and excellent quality.

RL-900 alarm system. New with alarm led, mounted on the door or window, or if there is a thief walked into the window, a 105 decibel alarm sound will be issued immediately. No, just have to turn off the switch, the alarm style using magnetic induction principle, use simple, low price, stable quality, use a long time without breaking down. Are exported to many countries and regions, suitable for gifts. 400pcs/CTN MEANS:42.5*32.5*59cm GW:16kgs/ctn,NW:15kgs/ctn 2 inner boxes.

1: door, window, home, shop, merchants a wide range of sites
2. Internet Café computer chassis alarm
this product is easy to install, just copy paste, cover and chassis separately, or on the two Windows, and alignment (leave about 5 mm clearance). When the illegal chassis or when Windows (master copies of separation), the alarm to send a strong warning, warn intruders to leave. His boot box, doors, Windows, and can be controlled by the switch. Apply to Internet cafes, residential, offices, shop counters and other anti-theft. Built-in 90dB alarm output, use 3x1.5V LR44 button cell (included in the machine)

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