JC 433MHz Security Wireless DIY Standalone Alarm Siren Kit Multi-Function Alarm Host with PIR Detector, Door Window Sensor, Remote Controller, Water Leakage Sensor and Warning Sticker Alarm Systems 5 centimetres Manufacturer ‎Shenzhen Jing

5 centimetres Manufacturer ‎Shenzhen Jing Cheng Digital Security Limited

2) Transmitting time should not be too long

High reliability and easy setup

Real-time SOS function: Timely response some exceptional cases occur at home and sudden illness for the elderly or children results in first aid

Input voltage: DC5V

JC 433MHz Security Wireless DIY Standalone Alarm Siren Kit Multi-Function Alarm Host with PIR Detector, Door Window Sensor, Remote Controller, Water Leakage Sensor and Warning Sticker Alarm Systems 5 centimetres Manufacturer ‎Shenzhen JingBrand: JCHENG SECURITY Features: DIY installationJC wireless alarm siren can work as a standalone alarm host or wireless siren &detector kit which code and work with other alarm host. It can match multiple wireless detectors and be controlled by remote controller, make local alarm by sound and light when detector triggered Standard alone siren kitTake the siren as host, any 433Mhz detector or accessories can work with it! It max with 20 wireless