Magnetic Induction Mini Door Alarm with Voice Alert
Ultra-sensitive magnetic sensor triggers instant 110dB alarm upon door/window movement, deterring intruders within 0.2 seconds. Precision-engineered ABS housing with reinforced corners resists drops and weather exposure (IP44 rated). Dual-mode operation: loud siren for security or gentle chime (8 melodies) as a doorbell. DIY installation – peel-and-stick design or screw-mounted, compatible with all door gaps (5–25mm). Ideal for apartments, offices, dorm rooms, and retail displays. Includes 3x AAA batteries (18-month lifespan) and adjustable volume. Bulk orders available at unbeatable wholesale rates.