Specifications: Voltage: 18V/20V Max. Working Current: 1A LED Lumen: 400-450lm Glass Glue Type: Structural Glue and Filling Glue Battery Model: Lithium-ion Battery (Battery Not Included) Suitable for Makita 18V-20V Max. Lithium-ion Battery Model: NOTE: No Battery Features: 4-Speed Speed AdjustmentThe caulking gun has four gears of variable speed, the thrust speed can be adjusted from 0-196mm/min. The variable trigger can also control the flow rate. The appropriate flow rate can be selected according to your needs, which can better control the glue flow. Automatic Rebound DesignWhen you release the trigger, the switch will automatically rebound to prevent excess glue from dripping out. LED Light DesignWith a 450lm LED light, it provides light for use in other dark environments. Widely UseSuitable for applying glass glue, caulk, sealant, etc. This caulking gun is suitable for all standard 10oz/300ml caulk. Widely used for filling, sealing and repairing some narrow gaps in walls, windows, balcony doors and windows, shower/sink installations, etc. Package Included: 1*Caulking Gun (Battery not included)