niceeshop(TM) 3 LED Battery-Operated Stick-On Emergency Touch Tap Light/Lamp Material:ABS plastic+LED+adhensive glue;Size:7.5x7.5x3cm Features adhensive cap for easy installtion and convenient tap-on/off technology No electric cables are involved and no wiring or drilling is needed Ideal for bedside, cupboards, closets, attics, tool boxes, sheds & more when power-cut