Vender Luxury Household Magentic Contacts Simple Modern Door and Window Anti-Theft Door Alarm Wireless Door Opening Sensor al mejor precio

Features: 1.365 days anti-theft guard，go out worry-freees sleeps 2.When someone open the doors and window (door sensor the distance between the host and the magnetic stripe is about 1cm), the alarm immediately sends out whistles, which responds quickly. 3.Small size, easy to install and can also be used for accommodation 4.Easy to install, firm and not easy to fall off 5.100%brands new，if you have any questions，please contact us Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: 1.Power supply mode: 4 LR44 button batteries 2.Alarm volume: 120 decibels 3.Product material: ABS plastic Include: 1 x Alarm