Home security sensor that monitors the opening and closure of doors and windows to help protect houses and garages. Peace of mind for parents and homeowners who want a straightforward way to prevent children leaving unnoticed or deter opportunist break-ins. Is the simplicity of Haofy Magnetic Contact Wired Sensor the right choice for basic wired alarm setups?
⚡ At a Glance
- • Detection Reliability: Magnetic reed contacts respond when aligned, giving clear open and closed signals
- • Best for: Homeowners and parents who want low-maintenance wired monitoring for doors and windows
- • Not ideal for: Users who require wireless or battery-powered alarm sensors for remote locations
Wired magnetic contacts monitor openings by closing or opening an electrical circuit when magnet and contact align. Strong magnets and a sensitive response aim to provide durable, low-fuss detection.
Reliable intrusion detection – thanks to magnetic reed switch contacts
Magnet and reed contact align to complete or break a circuit, so opening and closing events register as clear electrical state changes. Wired connection sends those state changes directly to an alarm panel or monitoring input.
Early detection of door or window openings triggers alarms or notifications quickly, improving household security and helping to deter break-ins.
Child safety monitoring – with straightforward wired installation
Wired contact mounts on the fixed frame while the mating magnet fits to the moving door or window, creating a reliable closed circuit when aligned. Installation replaces older contacts and integrates with existing wired alarm systems.
Parents gain a simple way to know when exits open, reducing the risk of unsupervised wandering without the need for batteries or additional pairing.
Durable, low-maintenance construction – thanks to premium materials and support
High-quality sensor contacts and a strong magnet aim for long durability and consistent sensitivity over repeated cycles. Manufacturer support includes a 30-day full-return policy and customer service available day and night.
Long service life and accessible returns or support cut downtime and make maintenance straightforward for household systems.
✨ The 4 Key Reasons for Haofy Magnetic Contact Wired Sensor
- High-quality magnetic contacts – Reduce missed openings with strong, reliable magnetic detection.
- Wired installation – Hardwired fit for frames gives steady connection without batteries.
- Sensitive response – Registers small door movements to lower false negative alerts.
- Easy replacement – Straight swap for old contacts keeps alarm systems functioning.
📋 Technical Details at a Glance
- Category: Home security sensor
- Brand: Haofy
- Product ID: B09L5QV455
- Sensor Type: Magnetic reed switch
- Installation: Wired, mount fixed part on frame and magnet on door or window
❓ Frequently Asked Questions
Q: Can these contacts monitor both doors and windows?
A: Yes, the magnetic detecting set is designed to protect doors and windows by monitoring opening and closure.
Q: How are the contacts installed?
A: Wired contacts mount on the fixed door or window frame while the mating magnet is fitted to the moving part, replacing older wired contacts.
Q: Is there any after-sales support or return option?
A: A 30 days full-return is offered and customer service is available day and night for assistance.
🏆 Our Verdict
Ideal for homeowners and parents who want a simple wired solution to monitor doors, windows and garage shutters. Strong magnetic contacts, sensitive response and straightforward frame-mounted wiring make for dependable, low-maintenance security. Practical long-term value through durable materials and accessible returns and support make the unit a sensible choice for basic wired alarm systems.
