Akubela AKB-Smart Door&Window Sensor

Premium Add-on device for your home This is smart door/window sensor, adopts super low power consumption ZigBee wireless networking technology, makes a longer battery life-span, can feel open or close state of the door or window through closing and seperating between sensor and magnetic, dual sensor design, flexible and adaptable, products are suitable for home, villa, factories, shops, banks, office building and other place of safety prevention