Do not mix alkaline phosphatase . Standard . Or recyclable batteries . If the battery contents leak, stop using and discard Do not use Miix old and NE: W batteries . Remove the exhausted batteries How to replace batteries: 1 . Remove the sensor lamp from the basic unit . 2 . Twist to open (align arrow) . 3 . Insert 3 AAA batteries to ensure correct polarity . 4 . Connect the two parts and twist to close . Operating instructions: Three control switches: on / off / auto . 1 set the switch to on to keep the light on 2 set the switch to off to completely turn off the lamp 3 set the switch to auto to activate the automatic light; As soon as a movement is detected 2 or 3 meters away, the light will automatically turn on for 25 seconds and then turn off to save energy . Specifications: Product Name: human intelligent induction lamp Product Material: ABS Weight: About 80g Size: 5 * 5 * 8cm Color: black, white Sensor sensitivity angle: 120 Sensor sensitivity distance: > 3M Delay time: 25-30 seconds 360 rotating head, tiltable Including mounting brackets and fixings Powered by 3 AAA batteries (not included) Average service life: 10000 (H) Package Included: 3 * screw 1 * induction lamp (without battery) The number of clips is random