Wireless Motion Sensor Alarm System Indoor Long-Range Multi-Function Doorbell

Wireless Motion Detection Technology : Utilizes advanced infrared IR sensing to detect movement up to 280 meters in open areas, ensuring reliable alerts for entryways, garages, and driveways, ideal for both residential and commercial use.Expandable Security System : Supports connection with up to 32 wireless sensors and 8 remote controllers, allowing scalable customization for complex environments such as offices, stores, or large homes.Multi-Function Doorbell Modes : Offers 5-in-1 functionality including welcome, doorbell, alarm, color light, and night light modes, adapting seamlessly to various user scenarios and preferences.Adjustable Brightness & LED Indicator : Features 4-color LED lighting (Red, Blue, Green, Colorful) with adjustable brightness levels, enabling visual differentiation between multiple entry points or alert types.36 Ringtones with Volume Control : Equipped with an 8-chord music chip and 36 selectable chime melodies, plus 4 volume levels from 113dB to 25dB, ensuring customizable audio alerts suitable for any environment.