Motion Sensor Light, Pretid Four-leaf Clover Motion Sensor Night Light Battery Operated LED Bedside Wall Light Anywhere As Christmas Decorations Gifts for Children (Yellow) 6 LED 0.7 W, 4.5 V, 72 luminance. Dimension: 97x91x41 mm Battery operated, no wiring. Easy installation with 3M double sided tape Motion sensor with a wide range for up to 5 meters, automatic shutdown after 30 seconds without motion detected HOW TO OPEN: Slide it the OPPOSITE way the arrows are facing and open the rear cover. And you're good to put batteries in Energy saving light sensor that works only in the dark and lights when motion is detected