Wide Compatibility: Operating on 433Mhz , this sensor is compatible with various alarm systems, making it a versatile addition to your existing setup. Description/Features: Weatherproof Design: Built to withstand harsh weather conditions, this waterproof sensor is ideal for outdoor use, ensuring reliable performance rain or shine. Advanced Detection Technology: Equipped with the latest PIR (Passive Infrared) technology, this motion sensor alarm effectively distinguishes between humans and animals, reducing false alarms and enhancing security for your home or business. Easy Installation: This wireless sensor is designed for easy setup, allowing you to secure your premises quickly without the need for complex wiring., Manufacturer: Mcnhbdgg