This is a new product which is produced by high quality elements. It uses the sensor of reed switch and the technology of wireless remote control. The capability is steady, and convenient to use. It is a full new product for protection and security. It is the ideal choice to guard against thieves in houese, cars, and some other valuables’ wealth safety, etc.
Voltage:DC 9V battery, recommend use 6F22
Alarm sound level:120-130 DB
Mode of reaction:separate from magnetism, alarm will be activated