This First Alert K-Waveband Motion Sensor Digital Infrared Detector 7435 with high reliability￡? strong anti-interference and self-examination function￡? is a simple but functional detector for you to detect the intruder via doors and windows! With digital processor￡? it can reduce the false alarm rate of the system. In addition￡? it offers high detection speed and wide detection range for your needs. Furthermore￡? this device is lightweight and easy-to-install. Believe it and that's a good choice for you!                                    Features            New and high quality<br>High detection speed￡? wide detection range<br>With self-examination function<br>With digital processor<br>Simple design￡? and functional<br>Light weight￡? easy to install<br>                                                            Specifications                        Sensors Type          Dual element￡? low noise high sensitivity infrared        <br>          Detection Range          11 x 11 m (standard lens)        <br>          Operating Voltage          10 ~ 14 V DC        <br>          Opertating Temp          -10&#8451; - 50&#8451; (-14&#176;F - 122&#176;F)        <br>          Humidity          95%        <br>          Power Requirements          25mA 7.5 ~ 16 V DC        <br>          Alarm From A Output          Standard 500mA￡? 30V DC        <br>          Frequencies          24.125GHz        <br>          Color          White        <br>                                                              Package Includes            1 x First Alert K-Waveband Motion Sensor Digital Infrared Detector 7435<br>