Xiaoyztan 1 Set Wired Magnet Reed Switch Normally Closed Door Contact Sensor Magnetic Reminding Alarm (25-35mm Sensing Distance, 33mm Hole Centers)

Price: $9.99
(as of Mar 07, 2023 09:50:17 UTC – Details)

MATERIAL – Made from zinc alloy with silver gray matte surface treatment for better rust resistance.
DIMENSIONS – Size of each piece: 48x19x10mm / 1.9×0.8×0.4in (L*W*H); Wire Length: 300mm / 1Ft; Hole Centers: 33mm / 1.3in.
APPLICATION – The Door Contact Sensor is suitable for use with window and door alarm systems, such as garage, industrial warehouse and shops, etc.
DESIGN – The door sensor is normally closed, when the sensor contacts, the circuit is conductive (light on); when the sensor separates, the circuit is not conductive (light off).