Features: 1:Battery strength supply (3 * AAA battery not included), large capacity, very very long time lighting. 2:Easy to install, pull swap for transportable control. 3:Soft light, no flicker and glare, keep eyes. 4:3 LED beads, vivid and practical, self-adhesive wall lamp 5:Energy saving, low energy consumption, pleasant heat dissipation. Soft light, no flicker and glare, preserve eyes Parameter: Product name: 3LED mini pull bulb Material: ABS Power delivery mode: powered by way of three * AAA battery (not included) Package include: 1x3LED mini pull bulb 1x mounting screw package