[Updated version] Note 1: Once you paste it in one place; you'd better not move it to another place. Otherwise, the stickiness will be lost and the plastic cover will be broken. Correct use of 3AAA alkaline batteries can ensure long use time and extend battery life. Note 2: When replacing the battery, do not pull the plastic directly. Otherwise, part of the plastic that fixes the lamp will break. You should hold the plastic part and turn it clockwise, then open it and install the battery, then close it. Click on the sticker to quickly and easily light up anywhere; there is a sticker on the back, which can be easily pasted on wood, plastic, metal, glass, etc. No wiring required. Press the top of the light to turn on/off the light; 3 LEDs inside, super bright white light. Energy-saving LED lasts for 100,000 hours Requires 3 AAA batteries (not included). Package includes: 6 pieces.