Kerui Door Alarm System – Ultimate Security for Your Home & Business
High-sensitivity magnetic sensor detects window/door openings instantly with a loud 120dB alarm to deter intruders. Precision-engineered ABS housing ensures durability and weather resistance for indoor/outdoor use. Wireless design with easy peel-and-stick installation—no drilling or wiring needed. Ideal for apartments, offices, garages, and rental properties. Powered by 3V CR123A battery (included) with low-power alert. Compact and discreet, blending seamlessly with any decor. Buy in bulk for unbeatable wholesale pricing—global shipping available. Secure your property now with Kerui’s reliable, cost-effective solution.