Features
The sound and light alarm, high-decibel alarm sound to deter thieves.
Independent built-in power supply, no external power cord.
Easy to install, simple to operate, one minute can be installed into defence state.
Paste head 3M adhesive paper will not be in the product surface residual
traces of nasty glue.
Alarms is not disturb by neighboring electric waves and other signal
interference

For anti-shoplifting purposes - the simplest, most convenient devices for protecting the goods on display.

One side with an alarm and tamper switch; the other side with tamper switch only.