Sound Siren Anti-Theft Door Entry Alarm
Ultra-loud 120dB alarm instantly deters intruders with piercing sound. Precision-engineered vibration sensor triggers within 0.1 seconds upon tampering. Heavy-duty ABS housing withstands extreme weather (-20°C to 60°C). No wiring needed—stick-on installation with 3M adhesive or screw-mount options. Compact 85mm design blends discreetly on doors/windows. Powered by 3x AAA batteries (low-voltage indicator included). Ideal for apartments, dorm rooms, retail backdoors, and vacation homes. FCC/CE certified for safety. Bulk discounts available—order 50+ units for wholesale pricing. Ships globally with 30-day warranty.