10-Pack MR-33C Magnetic Reed Switches, 15-20mm Action Distance - Normally Closed Contact Sensors for Hidden Door Window Security Alarm Systems in Home and Office Applications

Item Type: Magnetic Door SensorProduct Model: MR-33CProduct Features: Flame Retardant ABS shellConnection Type: Normally Closed (When the door magnetic contacts are closed, it is in the conductive state)Voltage: DC100VRated Power: 10WPackage List：10 x Pair of Switch Note:The door magnetic induction can only provide switch signals, cannot directly load power, nor can directly connect lamps!

• Compact & Reliable Design-- Measuring just the right size for seamless installation, this magnetic reed switch features a discreet recessed design that blends perfectly with your doors and windows. With its NC (Normally Closed) function and 15-20mm action distance, it keeps your security system on point without compromising your home's aesthetics. The ABS flame-retardant material ensures steady performance even in warmer conditions, making it a trustworthy guardian for both residential and commercial spaces.
• Versatile Security Solution-- From wooden entryways to aluminum-framed windows, this sensor adapts to various surfaces with ease, offering broad compatibility with most access control and burglar alarm systems. Whether you're securing office cabinets or home patio doors, these switches deliver consistent performance. Their electromagnetic technology provides a fail-safe method for detecting openings, giving you one less thing to worry about in your security setup.
• Smart Detection Technology-- Experience precision monitoring with the NC magnetic switch that maintains circuit continuity when doors are closed and instantly triggers alerts when openings occur. The DC100V rating and 10W power handling capacity ensure reliable operation within your existing security infrastructure. It's like having a vigilant digital watchman that never takes a coffee break, constantly keeping tabs on your protected areas.
• Easy Installation & Hidden Protection-- Forget about bulky hardware messing up your decor! These recessed sensors install flush into door/window frames, remaining virtually invisible while providing robust security. The straightforward wiring setup means you'll have them operational in no time, and their subtle appearance won't detract from your interior design – security that's heard but not seen.
• Enhanced Safety Features-- Built with heat-resistant ABS material that stands up to temperature variations, these switches offer peace of mind beyond basic security. Their electromagnetic burglar system compatibility means they integrate smoothly with your existing setup, providing an extra layer of protection without complicated upgrades or expensive modifications.