GREENCYCLE Wireless Motion Sensor Detector Alarm, Home Security Business Alert, Store Welcome Chime Door Entry Doorbell (918 Feet, 36 Tunes, 4 Volume Levels, LED Indicators), 1 Pack

5 Model Welcome Languages and 36 Ringtones: you can choose your favorite ringtone for your home or Store.

4 Level Volume Adjustable:Welcome/Doorbell/Alarm Model has 4 level volume adjustable, 113-25dB.So you don't need to worry about the volume is too loud or too small.

4 Brightness and Color Selectable:Color light or Lighting mode is Silent and has 4 levels of brightness adjustable. You can choose these two modes when you don't want to be disturbed by the ringtone. The color light model also has 4 colors selectable, You can set different colors for different doors.

Expandable Wireless Home Security:Each receiver of this motion sensor detects alarm can work with 32 Infrared transmitter/ Magnetic sensor and 8 Remotes at most.

Wide Wireless Range:Open places Working Range up to 280m/918ft between the receiver and Infrared transmitter. detection range of the infrared sensor approximately 4-8m/13-26ft.

If the device's working distance becomes shorter, please replace the battery or recharge it in time.

Memory Function:Remember your last set melody and volume level after power off, then don't need to reset to your previous settings again.

Wide Applicable:Very suitable for all kinds of shops, upscale clubs, hotels, offices, factories, homes, banks, store,garage, supermarket, boutique,villas, mailbox, and so on.Can be used as a doorbell during the day, and converted into an anti-theft alarm at night.

5 Modes Switchable:1 Welcome,2 Doorbell, 3 Alarm,4 Color Light, Lighting Model,5 modes cyclically switch

Receiver Power Supply: Micro USB (not included) or AA alkaline battery x 3 (not included)

Infrared Transmitter Power Supply: Micro USB (not included) or AAA alkaline battery x 3 (not included)

Working temperature: -14-90 F

Transmitter detection angle: up and down 360 degree, left and right 360 degree