High Sensitivity Welcome Doorbell for Home Security Alarm System with Motion Sensors Ding Dong Doorbell
Ultra-sensitive PIR motion sensor detects movement up to 5 meters, triggering instant alerts for enhanced security. Built-in adjustable volume (85-110dB) with crisp ding-dong chime, ensuring clear notification indoors/outdoors. Durable ABS housing with IP44 waterproof rating, resistant to harsh weather conditions (rain, dust, UV exposure). Easy wireless installation—no wiring needed, powered by 3x AAA batteries (low battery indicator included). Ideal for homes, offices, warehouses, or garages. Compatible with existing alarm systems for layered protection. Anti-interference technology prevents false alarms from pets or wind. Compact, sleek design (110x80x40mm) blends seamlessly with modern decor. Bulk order discounts available—optimize security across multiple entry points affordably.