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Window Door Sensor

  • ASK Window Alarm Sensor
    Model: S-D101-A
    Chip: 1527 Learning Code
    Frequency: 433/315 MHz
    Voltage: DC 3V
    Distance: <100m
    Size: 48*71*18mm
    Door sensor is a safety alarm device, which is used to detect whether doors, windows, drawers, have been opened or moved illegally.