Product Picture: Product Description Security Alarm System, big size outdoor strobe alarm siren 1. Strobe Siren adopt High-strength fire retardant ABS material, iron sheet wrapped inside 2. Anti-cut and tamper designed to prevent criminals destroyed effectively 3. Current Consumption...

Product Features 1. 2 groups dual PIR, insure excellent detection performance 2. Unique water-proof design, can be used indoor/outdoor 3. Advanced defense system to avoid false alarm and missing alarm with reliable function 4. Self-check function: when the detector was broken or failure, it...