Jenix wireless motion based door bell movement detection to trigger door bell

Wireless PIR Motion Sensor Door Bell system automatically alerts you when a person or movement is detected outside your home, office, shop, room, or entrance area. The outdoor PIR sensor works on 3×AA batteries, so no external wiring or power supply is required. Once motion is detected, it wirelessly triggers the indoor door bell unit installed inside the premises. The system offers a wireless working range of up to approximately 400 feet in open conditions.