Discover the Visonic Duo-240E, the world's smallest 360° ceiling-mount dual-technology digital detector. This innovative device combines passive infrared (PIR) and microwave sensors to deliver unmatched detection accuracy and false alarm immunity. Its compact 8.6cm diameter and elegant design make it an inconspicuous addition to any setting. Ideal for harsh environments in residential, office, or commercial applications, it offers a detection range of up to 10.8m with a 360° pattern. Easy to install in ceilings up to 4.5m high, the Duo-240E ensures long-term reliability and performance. Enhance your security with this UL-listed, durable detector that seamlessly blends into your decor. Don't wait, secure your space with the Duo-240E today!