433MHz Indoor PIR Motion Sensor – Smart Infrared Detector for Reliable Home Security

Protect your home with quiet confidence. This advanced 433MHz Infrared Detector Indoor PIR Motion Sensor uses intelligent multi-layer detection to spot real intruders while ignoring everyday movement from pets and harmless activity. Designed to work with your existing 433MHz alarm host, it adds a powerful extra layer of security to your Smart Life alarm system – without complicated wiring or constant battery changes.

Whether you’re securing a hallway, living room, office, or shop, this wireless RF sensor gives you wide coverage, stable performance, and peace of mind, day and night.

🌟 Why You’ll Love It

• Smart, accurate detection – Combines dual infrared, intelligent volume recognition, reflective mirror, and artificial intelligence quadruple technology to reduce false alarms and focus on real threats.
• Long battery life – Ultra-low standby current of 9 μA means you can use it for up to 2 years without replacing the battery (uses 2 x AA alkaline batteries, not included).
• Wide coverage area – Detects movement up to 12m @ 25℃ with a broad 110° detection angle, ideal for rooms, corridors, and entryways.
• Pet-friendly design – Built-in 25KG anti-pet feature helps prevent alarms triggered by small pets, so your cat or small dog can move freely.
• Better protection against crawling intruders – Reflective mirror detection technology helps overcome the weakness of traditional detectors that may miss crawling or diving movements.
• Reduced false alarms – Double lens, dual temperature compensation, and Fresnel optical lenses work together to minimize false triggers and missed detections.
• Strong light resistance – Withstands up to 10000Lux white light, helping maintain stable performance even in bright indoor environments.
• Reliable wireless range – Up to 200m launch distance (open area) for flexible placement away from the alarm host.
• Easy installation – Hanging type, adjustable direction design lets you angle the sensor exactly where you need coverage.
• Seamless integration – Compatible with most 433MHz and 433.92MHz (1527) alarm hosts on the market, perfect for Smart Life security setups.

Note: This infrared alarm detector cannot be used alone and must be used with an alarm host.

1. If your alarm host is not purchased in our shop, please contact customer service.
2. It can work with most 433Mhz host alarms on the market.
3. It can work with 433Mhz, 1527 host alarms.

⚙️ Full Specs