Simple Door Open Alarm with Siren – Reliable Home Security at Unbeatable Prices
Ultra-sensitive magnetic sensor triggers a loud 110dB siren instantly upon door/window opening, deterring intruders effectively. Compact and wireless design for easy DIY installation—no wiring or tools required, ideal for apartments, offices, and vacation homes. Durable ABS housing with weather-resistant coating ensures long-term indoor/outdoor use in humid or dusty environments. Low-power consumption with replaceable CR1632 battery (included), providing up to 12 months of continuous protection. Multi-scene application: secure kids’ rooms, storage units, garages, or hotel rooms with instant audible alerts. Bulk purchase advantage: wholesale pricing for property managers, retailers, and security system integrators. Complies with international safety standards (CE/FCC certified), backed by our global supply chain’s quality guarantee.