... with double window, large diameter2. Sensing: built-in light sensor, temperature compensation devices3. When movement is detected and Turns off ... automatically after 20-25 seconds if no motion is detected4. Has an ... 12000-15000MCDAngle of Coverage 90-110oSensor Distance 2-3mSensor Time 20-25sMaterial ABSBattery 3 *AA (excluded)Certification CCC, CE, CQC, ...