Auto-Upgrade Wireless Door and Window Alarm – Real-Time Home Security
Ultra-sensitive wireless sensor instantly detects unauthorized entry with a loud 120dB alarm, deterring intruders effectively. Crafted with durable ABS plastic and reinforced silicone seals for weather-resistant indoor/outdoor use. Innovative magnetic contact design ensures seamless installation—no wiring or drilling required. Ideal for apartments, offices, garages, or vacation homes needing temporary or permanent protection. Features auto-upgrade technology for enhanced signal stability (up to 150m range) and low battery alerts. Includes adjustable sensitivity settings to prevent false alarms from pets or wind. Backed by a 1-year warranty and bulk-order discounts—trusted by global suppliers for reliability and unbeatable wholesale pricing.