Features: Four speeds adjustable: the caulking Guns have four speeds and the printing speed can be adjusted from 0 to 196 mm/mins. The variable triggers can also control the flow rate, and the corresponding flow rate can be selected as needed, which can better control the glues flow rate. Auto rebounded design: When you release the triggers, the switches automatically bounces back to prevent excesses glues from slipping. Antikickback technology saves time and energy. This caulking Guns works with standard 10oz/300ml sealants. Even flow: the flow control is very even, neither too much nor too little, and the use is very convenient. Quickly remove the pushers to quickly load the cartridges. This is a good choice for sealing tool. Wide ranges of applications: suitable for applying glass adhesive, sealant, sealant,. This caulking Guns works with standard 10oz/300ml sealants. It is widely used for filling, sealing and repairing some narrow gaps in walls,, balcony door, shower/sink installations. Specifications: Component:ABS Dry battery: DC6V Power: 6VDC 380 Extrusion speed: 170mm/mins Working pressure: 70KG Working current: 0.5A Working time: 2.50H Dry battery model: AA Type of glass adhesive: structural adhesive and filling adhesive. Size:Approx.35x22cm/13.78x8.66inch Package Includes: 1 Set Caulking Guns note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.