The Metabo HPT 18V MultiVolt? Cordless High-Capacity Caulking Gun (model AC18DAQ4) is designed for easy and efficient application of caulk, sealants, and adhesives. Here are some key features of this tool: Cordless Design: This caulking gun operates without a cord, providing greater mobility and convenience on job sites. High-Capacity: It can handle large cartridges, making it suitable for extensive projects that require a significant amount of material. Anti-Drip Function: This feature prevents excess material from oozing out after the trigger is released, helping to keep work areas clean and reducing waste. Variable Speed Control: The adjustable speed allows users to apply caulk with precision, accommodating different types of materials and application needs. MultiVolt Battery Compatibility: While this model does not include a battery, it is compatible with Metabo HPT's MultiVolt battery system, which can be used across a range of tools, maximizing versatility and convenience. Lightweight and Ergonomic Design: This tool is designed for comfort during extended use, which is essential for professionals working on large projects. Overall, the Metabo HPT 18V MultiVolt? Cordless High-Capacity Caulking Gun is an excellent choice for both DIY enthusiasts and professionals looking for a reliable and efficient caulking solution. ANTI-DRIP FUNCTION: Prevents unwanted dripping when trigger is released OPTIMAL SPEED: Variable speed dial and trigger LONG LASTING: Dispense up to 165 (10oz) tubes with 18V 2.0Ah battery (377797) UPSIDE DOWN REST POSITION: Allows for easy pick-up during use BUILT-IN LED LIGHT: Illuminates work areas when used in low light conditions LIGHTWEIGHT: At 4.4lbs and well balanced for less user fatigue TOOL-LESS PISTON CHANGE: Easy to switch to a different tube holder