Today we recommend you a reliable wired digital PIR detector with better accuracy. This First Alert Wired Infrared Detector with Red LED Indicator can detect the intruder via windows or doors￡? and allows pets to move freely anywhere in the house at the same time. The functions of anti-RF and anti-white light interference￡? pulse count adjustment￡? intelligent logic control and auto temperature compensation can avoid false alarms of the system vastly. Besides￡? the SMT design makes the detector compact. The detector is designed to be installed on wall or ceiling. Action is better than excitement! Don&acute;t hesitate to bring such a practical device home today!                                    Features            Intelligent logic control￡? anti false alarm efficientlyAuto temperature compensationPulse count adjustmentAntiwhite light interferenceAnti RF interference(20 V/m- 1GHz)Wall / ceiling installationSMT design adoptedAlarm output N.C./N.O.￡? Anti RF interference                                                            Specifications            Operating voltage    DC 9V - 16V    <br>Current comsuption    ?ü18mA (DC 12V)    <br>Detecting distance    12m    <br>Detecting angle    110??    <br>Self-testing time    60S or so    <br>Working temperature    -10 ??- +50 ??    Alarm output    N.C￡? or N.O.￡? DC28V￡? 100mA    <br>Temper output    NsC.￡? DC28V￡? 100mA    <br>Alarm indicator    Red LED    <br>Range of coverage    11distance￡? 8 middle￡? 5 vicinities    <br>Sensor    Dual element infrared sensor    <br>Operating temperature    -10?? to +50 ??    Environment humidity    ?ü95% RH (no congelation)    <br>Anti RF interference    10MHz-1GHz 20V/m    <br>Installation mode    Wall mounted or hanged in corner    <br>Installation height    1.7 to 2.5m (2.2m is Proposed)    <br>Outline Size    2.07" x 1.52" 3.50" (L x W x H)    <br>                                                            Package Includes            1 x First Alert Wired Infrared Detector with Red LED Indicator1 x User Munmal