KERUI 433MHz Colorful Light Doorbell Welcome Chime Doorbell 52 Songs Optional Customized Melody Night Light Wireless Motion Detection Alarm System with 1pcs PIR Motion Sensor

KERUI 433MHz Colorful Light Doorbell Welcome Chime Doorbell 52 Songs Optional Customized Melody Night Light Wireless Motion Detection Alarm System with 1pcs PIR Motion Sensor
Overview:
This doorbell alarm host adopts the advanced wireless transceiver technology, strong microcomputer control system, and high-quality voice processing technology integrated with 52 songs. Stable and reliable performance, receivers and transmitters can be paired on the wireless code. It integrates with the function of welcome, burglar alarm, doorbell, colorful light, etc. It is suit for home, office, store, factory, villa , shop, hotel, reference-room, chamber, leisure center, etc.

Features:
*Contains 1pcs Doorbell Alarm Host+1pcs PIR Motion Sensor.
*Total 5 Modes: Welcome mode, Doorbell mode, Alarm mode, Night light mode, Song customized (TF card).
*Customized Melody: Support max 32G TF card, and save format: MP3 or WAV as the audio file.
*52 songs optional, with 5 Volume levels adjustable. Dazzling colorful lights indicate every different state.
*Memory function in main unit, the melody status of switching on is the same with that of last settings on device.
*It's not only a doorbell but also an alarm system, can work with KERUI remote controls, doorbell buttons, sensors and detectors.

Specifications:
Working Voltage: External USB DC5V/3 AAA battery
Internal battery: 3*DC 1.5V  AAA battery (not included)
Standby Current: <10uA
Working Current: <300mA
Wireless Frequency: 433MHz(±75 KHZ)
Wireless Distance: 300 meters(in open area) 
PIR Detecting Range: 3-6 meters
PIR Detector Angle: 110 degrees
Installation Way: Wall/Ceiling Hanging
Installation Height: 2m-4m Adjustable
Material: ABS, common white
Operating environment: -10°C to 50°C        
Humidity Range: ≤95% RH (No freezing)
Doorbell Alarm Host(without bracket): Approx. 88 * 88 * 28mm / 3.5 * 3.5 * 1.1in
Doorbell Alarm Host(without bracket): Approx. 87g / 3.1oz  
PIR Sensor Size(without bracket): Approx. 92 * 36 * 45mm / 3.6*1.4*1.8in
PIR Sensor Weight(without bracket): Approx. 43g / 1.52oz  
Package Information:
Package Size: Approach. 14.5 * 10 * 7.5cm / 5.7 * 3.9 * 3in 
Package Weight: Approach. 278g

Package List:
1 * Doorbell Alarm Host
1 * Doorbell Mounting Bracket
1 * Wireless PIR Motion Sensor
1 * PIR Sensor Mounting Bracket
1 * Set of Mounting Screws
1 * User Ma