It is home security, looking slim . In fact it is very light.And it has tow functions : shock-control and magnetic-control.If someone breaks the glass , shock-control function will work and it sounds, and if he pulls window secretly, when the distance arrives at about 5 cm, and it will alarm. So it's easy to use.
Size: 118mm(length)x35mm(width)x8mm(height)
Weight:30g
Temperature scope: -10f¦-- 40 f¦
Look, it isn't watch, but watch style walkie-talkie.It can work within 2.5 km;with liquid crystal display screen;with automatic electricity saving function.......
