Tellegloww 20 Sets Nc Wired Surface Mounted Alarm Magnetic Door Alarm Contact Sensor Door Window Reed Switch Sensor with Double Side Tape for Security
Key features
- •Material Quality: crafted from plastic, the surface mounted magnetic door switch alarm sensors is a reliable asset choice for your home security, which ensures longer service life with its sturdiness and resistance
- •Easy Installation: these surface mounted magnetic alarm contacts come with adhesive tape (no electric wires provided), have no complicated instructions or professional assistance required and can be installed conveniently ( Working current under 12V. )
- •Extensive Package Content: the package includes 20 sets of window door sensors along with 80 screws supporting the needs of homes, offices, dormitories and even larger establishments such as hotels
- •Multipurpose Usage: these surface mounted magnet alarms sensors are suitable for a diverse range of utilities, such as doors or windows made of various materials like wood, glass, or plastic in homes, offices, or shops
- •Operation Principle: NC means normally closed; If the magnet is closed to this switch, the signal is conductive, otherwise, if the magnet is far away from this switch, the signal is disconnected; This working principle is ideal for alarms, LED, door openers, and more
Tellegloww 20 Sets Nc Wired Surface Mounted Alarm Magnetic Door Alarm Contact Sensor Door Window Reed Switch Sensor with Double Side Tape for Security
List Price: $41.89$37.70DEALYou Save: $4.19 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 22, 2026In Stock (100)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
