KERUI Driveway Alarm Systems with Waterproof Motion Sensor Welcome Doorbell Car Garage Security Smart Home For Home Security

KERUI Wireless Outside Driveway Alarm Waterproof PIR Motion Detector 57 Chime Doorbell Welcome Home Garage Security Alarm System

Waterproof Motion Detector

Features:

1. 150M Transmission Distance:

The receiver range will detect your sensors from 150 meters away while there are no obstructions. While tested in real-world settings with trees, buildings, walls, and vehicles. (Please note: extra heavy interference such as thick walls, metal siding, tall hills, and many trees will diminish the wireless range.)

2. No More False Alarm:

With adjustable detective distance switch, you can change the detect distance from 6 to 12 meters. Moreover, this system comes with two motion sensor covers, you can change the detective view angle from 110° to 10° to reduce false alarms from small animals and objects like birds and falling leaves; Super infrared penetrating power reduce false alarms from the bad weather such as rain/snow or other natural light sources interference such as sunshine.

3. Super Easy Installation:

No wires to run, no installation hassles. Put in the batteries and place the wireless motion sensor and receiver wherever you want.

P861 PIR Sensor

Parameter:

1. Power: DC 3V 2 * AA Batteries (battery not included)
2. Detection Distance: 0-12m (open area)
3. Detection angle: 90 degrees
4. Outdoor usage: waterproof ( IPV4)
5. Installation height: 1-2m (vehicle) , 2-4m (human)

M521 Receiver

Features:

1. 57 different ring tones and 4 levels of adjustable volume from 25db to 85db, Memory function for sound and chime selection

2. Easy to Installation

Parameter:

1. Receiver Operating voltage: 100 ~ 240 V, 50 ~ 60 Hz AC
2. Operating power: 0.5W Receiving * frequency: 433MHz