3.7V lithium battery glue , easily light up every moment of life! Portable and efficient, unlimited creativity, making home DIY easier and more interesting! Sealed design, every drop of glue is accurate and leak-free. Safe and anti-scalding, smooth and uninterrupted glue. Release creativity: assist manual work, and the glue is quick and sticky. Built-in high-end PTC thermal element, keep constant temperature and smooth glue discharge. Ergonomic handle, innovative design trigger, aesthetic design, one-click opening fun. Color:White Material:ABS+Aluminum Alloy Package Contents: 1 * hot melt glue 1 * charging cable 10 * glue sticks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.