Window Bell window security system D I Y install window alram Easy and simple



 * FEATURE
* Easy DIY install, Just lever turn and easy move
* Simple maintainance.
* Size is small Security sound is laudly 
 * Double Security ( Window lock and alram )


 * Weight & material : 200 g poly carbonate

*  Consist of main body + AAA battery 2 ea
 *  Origin : South Korea