Bakeey Wireless PIR Sensor Motion Alarm Sensor Low Power LED Reminder Infrared Detector

Features: 1.With a sensing range of 5-8m 2. Four sounds, adjustable volume 3. Easy to install and can be used with any doorbell kit 4. The light flashes and alarms, not disturbing children who are taking a nap 5. The protection level of the remote control transmitter is 6.The sensor and alarm have a sensing range of 118 meters and strong signal penetration 7. The number of sensors and alarms can be freely combined
Specifications: Color: White Power receiver: DC 6V or 1.5V 3 AA batteries?(not included) Transmitter DC: 9V. 6F22 not included Range: 5-8 meters Working range: 118 meters 3 modes: LED flashing, sound, LED flashing Ringer volume: 1-120 dB Operated sensor size: 10.5x6x4cm/4.1x2.4x1.6`` Receiver size: 12x8.5x2.5cm/4.7x3.3x0.9``
4 sound options: 1. Hello, welcome 2. HELLO.WELCOME 3. The sound of the police car 4. Double Ding Dong
Package Included: 2x Bell Alarm Operated Sensor 1x Receiver 3x Screws 1x English Manual ??