Do not mix alkaline, standard, or recyclable batteries. If the battery contents leak, stop using and discard. Do not use mixed old and new batteries. Remove exhausted batteries. How to replace batteries: 1. Remove the sensor lamp from the base unit. 2. Twist to open (align arrow). 3. Insert 3 AAA batteries, ensuring 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; when movement is detected within 2 to 3 meters, 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 x 5 x 8cm Color: Black, White Sensor sensitivity angle: 120 degrees Sensor sensitivity distance: > 3M Delay time: 25-30 seconds 360-degree rotating head, tiltable Includes mounting brackets and fixings Powered by 3 AAA batteries (not included) Average service life: 10,000 hours Package Included: 3 x screw 1 x induction lamp (Without battery) Number of clips may vary