What's in the box:

eWeLink PIR Wireless Dual Infrared Detector 433Mhz RF PIR Motion Sensor Smart Home Automation Security Alarm System (Standard)

Overview:
This wireless wide angle passive-infrared (PIR) motion sensor is a 433MHz RF PIR motion sensor for human detection.
The motion detector can work with the Sonoff RF Bridge 433 or alarm system host, providing human detected alarm message push to your phone.

Features:
*Dual infrared. Ultra-low power microprocessors.
*Imported sensors, overcome false alarm, anti-crawling, no dead angle.
*Double temperature compensation technology, adjustable pulse count.
*Robust and durable, suitable for homes, offices, sheds, garages etc.
*Easy installation and set-up, wall-mounted.

Specifications:
433MHz Transmit distance: 150m (open)
Power: DC 4.5V (3 * AAA) (not included)
Support USB to connect DC power supply
Standby current: 35A
Alarm current: 15mA
Wireless frequency: 433.92MHz
Wireless Transmit Code: 1527Mhz (default)
Detection distance: 8m@ 25?
Detection angle: 110 degrees (wide angle)
Working environment: indoor
Anti RFI & EMI: 10MHz-1GHz 20V/m
Anti-white light: 100000Lux
Item Size: 115* 7 * 47mm
Item Weight: Approx. 66g / 2.3oz

Package Information:
Package Size: Approx. 13 * 8 * 8cm / 5.1 * 8 * 8in
Package Weight: Approx. 100g /3.5oz

Packing List:
1 * PIR Motion Sensor (without batteries)
1 * Mounting Bracket
1 * Bag of Mounting Screws
1 * User Manual