Intelligent Induction: When People Come, The Lighting Device Automatically Opens; When People Leave, The Lighting Device Automatically Closes. Intelligent Delay: Switch In The Detection Of The Human Body After Each Activity Will Automatically Add A Delay Time, And The Last Activity As The Starting Point Of The Delay Time. Working Mode: After The Induction Switch Is Connected, In The Time Delay Time, If There Is A Human Activity, The Switch Will Continue To Connect, Until The People Leave After The Delay Is Closed. Material:plastic,metal Color:white Green Supply Current: Dc12v-24v Ttl Output Delay Time:9s Operation Temperature:-15 Celsius -70 Celsius Infrared Sensor:dual Element, Low Noise, High Sensitivity Size : Approx 90 X 60 X 45mm(3-35/64x2-3/8x1-49/64 Inch ) Weight : Approx 100g(3-17/32oz) Note: Do Not In Rapid Environmental Changes. Do Not In Strong Shock Or Vibration. Do Not In A Place Where There Are Obstructing Material(eg.glass) Through Which Ir Can Not Pass Within Detection Area. Do Not Expos