intelligent induction: when people come, the lighting device automatically turns on; when people leave, the lighting device automatically turns off. intelligent delay: after detecting human activity, the switch automatically adds a delay time, with the last detected movement as the starting point of the delay. working mode: after the induction switch is activated, during the delay period, if human activity is detected, the switch remains on; it turns off after the delay period ends following the last detected movement. material: plastic, metal color: white, green supply current: dc12v-24v ttl output delay time: 9s operation temperature: -15 celsius to 70 celsius infrared sensor: dual element, low noise, high sensitivity size: 90 x 60 x 45mm (3-35/64 x 2-3/8 x 1-49/64 inch) weight: 100g (3-17/32 oz) note: do not install in areas with rapid environmental changes. do not install in areas with strong shock or vibration. do not install where obstructing materials such as glass block infrared detection. avoid direct sunlight exposure. avoid direct airflow from heaters or air conditioners. do not perform live installation; avoid no load short circuit. package included: 1 x automatic infrared pir motion sensor switch note: lighting and display differences may cause slight color variation between the image and the actual item. measurement error allowed is +/- 1-3cm.