Feature: Ceramic thermal element, heating and lengthening the heating elements to achieve rapid temperature rise, truly achieve rapid temperature rise, and truly achieve rapid glue release. Built-in trigger push device, in line with people's habit when operating the switch. Leak-proof rubber sleeve design, more secure. With a use indicator light, you can clearly understand the opening status and whether there is electricity. Intelligent chip escort, built-in chip control, control the heating temperature within a suitable range, and prevent overheating. Specification: Name: Lithium battery glue Material: Plastic+Metal Color: Blue diameter: 7mm Power: 50W Use voltage: DC 18V-20V Amount of glue per minute: 0.63oz/minute Applicable: suitable for Lithium battery Package Contents: 1pc x Lithium battery glue Machine 30pcs x 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.