Features of Product:
1.Patent wireless structure, convenient and easy installment.
2.Embedded design, high stability, waterproof design.
3.Four LED side cast lights and energy-saving circuit enlighten the warning effect.
4.LED side cast lights do not make the warning light dazzling.
5.High sensitive detector activates immediately when open the door.
6.High quality semiconductor packaging technology.
7.The duration of battery (CR2032) is up to 4800 minutes (continuous flashing).