Ceramic PTV thermal Elements, 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 place overheating.Specification:Name: Cordless Hot Glue-: 40WUse voltage: DC 20VWarm-up time: 90sGlue output: 5-10g/minCharging time: 2-3 hoursBattery life: 1-1.5 hoursApplicable: suitable for batteries diameter: 7mmMouth size: 1.8-2.0mmNote:1. The battery in the product picture is only used to describe the function of the product.2. We do not provide batteries. The supporting batteries of this product need to be purchased separately.Material: Plastic + Metalcolour: yellow + blackPackage Contents:1 x Lithium battery glue-30 x Only the above package content, other products are not included.Note: Light 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.