Multi-Function IR Motion Doorbell

Dimensions: sensor unit approx. 9.5 x 5.5 x 3.5 cm, receiver approx. 12 x 7 x 3 cm; weight: sensor ~120 g, receiver ~200 g; power: sensor requires 3 × AAA batteries (not included), receiver requires 3 × AA batteries (not included) or USB power; infrared detection range: 4–8 m (13–26 ft); wireless transmission range: up to 280 m (918 ft) in open field; materials: ABS plastic housing for durability and indoor/outdoor usability. Core functionality includes five operating modes — Welcome, Doorbell, Alarm, Colour Light, and Lighting — each serving distinct security or convenience purposes. The Welcome mode offers 5 selectable spoken languages; Doorbell and Alarm modes offer 36 ringtones and 4 volume levels; Colour Light and Lighting modes are silent, with 4 adjustable brightness levels and 4 selectable LED colours — ideal for hearing-impaired users or households with infants. Installation is tool-free: both units feature mounting bases and full rotational flexibility — sensor rotates 360° horizontally and 180° vertically for optimal coverage alignment. System supports scalable deployment: one receiver pairs with up to 32 motion sensors and 8 remote controls, enabling customised zone monitoring across homes, offices, shops, sheds, driveways, porches, gates and pool areas.