Infrared Motion Welcome Doorbell Device Swivel Bracket Door Mount Built in Speaker for

Description:

- 【Pluggable Welcome Sensor】Welcome Sensor can plug in or 3 x AA battery powered (But battery not included)

- 【Size Information】Infrared Sensor Door Bell measures approx 9.5cmx6.1cmx3.4cm/3.74inchx2.40inchx1.34inch

- 【Infrared Sensing】Entrance Welcome Door Bell has fully automatic infrared sensing, with strong sensitivity, can be sensed during day and night, not reporting false alarms

- 【Feature】 Infrared Motion Sensor Detector with adjustable bracket, built in loudly speaker, with 18 music and alarm sound, remote detection can reach to 0-5 meters, sensing angle 110 degrees

- 【Occasion】Infrared Induction Door Bell suitable for shops, warehouses, office buildings, factories, and home

Package Includes: 1 Welcome Door Bell

Note: Please allow slightly errors due to manual measurement and different monitors.