D2 Wireless self-powered door and window sensor

Kinetic Door/Window Sensor

Automatic Light Control

When paired with the Ebelong controller, the D4 door sensor automatically turns on the light when the door is opened and turns it off when the door is closed.

Enhanced Smart Home Integration

Pair it with the Ebelong smart doorbell gateway for enhanced home automation applications.

D4 self-powered door and window sensor
  • No battery

    No battery

    Harvesting directly its energy from your push, the Door and Window Sensor doesn’t need any battery (and any wire) to operate

  • Wireless

    Wireless

    Advantages of a wireless system (flexibility) without the disadvantages (no battery = no maintenance)

  • Stable installation

    Stable installation

    This Door and Window Sensor can be mounted concealed in the door frame, it also can be mounted externally on the surface of door and being fixed with screws

  • Discreet

    Discreet

    Mount it, and forget it

Examples Of Use Cases

D4 Series | Wireless self-powered door and window sensor

D2 series wireless self-powered door and window sensor
Product ModelD4
Power supplySelf-powered
Communication frequencyRF 433M
ModulationFSK
Letter of agreementEbelong1.1
Communication distance80m (outdoor) 25m (indoor)
Service life≥100000 times
Operating temperature-20℃ ~ +55℃
Shell materialPC
Installation methodDouble-sided adhesive paste installation

Support & Questions


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