KERUI Home Security System Door Sensor

Professional-Grade Security
– High-sensitivity magnetic sensor detects door/window openings instantly, triggering loud 120dB alarm to deter intrusions.
Precision Engineering
– Durable ABS housing with reinforced magnets, IP54 waterproof rating for indoor/outdoor use.
Easy DIY Installation
– No wiring needed; adhesive backing or screw-mount options for flexible placement (doors, windows, cabinets).
Multi-Scenario Protection
– Ideal for homes, offices, warehouses, and retail spaces; compatible with most alarm systems.
Battery Efficient
– CR1632 battery lasts 12+ months with low-power design and auto-sleep mode.
Bulk Purchase Advantage
– Wholesale pricing for large orders, ensuring cost-effective security upgrades.