Adjustable Speed Portable Cordless Caulking Gun with User Friendly Anti Drip Function for 10oz 300ml Hard & 20oz 600ml Soft Adhesives, Stepless Speed Adjustment (US Plug)

Spec: Item Type: Cordless Caulking Gun Applicable Range: 300ml Various Hard Adhesives; 600ml Various Soft Adhesives Motor: 550 High Performance Motor Motor Power: 45W Motor Speed: 20000-22000RPM Battery: 2 x 21V 2000mAh Rechargeable Li Battery (included) How to Use: 1. Make sure the battery is fully charged. Insert the li battery into the main unit and press the forward switch to check if the machine frame moves forward properly. 2. Operating Steps: Insert the battery into the main unit, adjust to the desired dispensing speed, press the round button and manually adjust the rack back. Install hard adhesives or soft adhesives, press the forward switch to start normal work. Package List: 2 x Cordless Caulk Gun 2 x Battery 1 x Adapter 1 x Piston 1 x Nut 1 x Nozzle 1 x Storage Case

• Stepless Speed Adjustment: Featuring stepless speed adjustment knob, this 21V electric caulking gun allows for precise control over caulking and dispensing speed, enhancing efficiency and versatility from delicate manual caulking to covering larger floor gaps
• Non Dripping: Equipped with user friendly anti drip function, this caulking gun automatically retracts the plunger when the trigger is released, preventing messy drips or overflows. This eliminates the hassle of cleanup and allows for better caulking results
• Versatile Compatibility: Designed for 10oz/300ml hard adhesives and 20oz/600ml soft adhesives, this cordless caulking gun is compatible with acrylic, adhesives, sealants, and other materials, catering to various caulking, filling, and sealing needs
• High Efficiency: With a high performance 550 motor operating at 20000-22000RPM and a maximum thrust of 2646N/270kg, combined with expandable spring, this caulking gun ensures smoother without clogging. The aluminum alloy body ensures comfortable grip and preventing arm fatigue even during extended work
• Long Endurance: Equipped with two 2000mAh high capacity battery (one primary and one spare) and a fast charger, this electric caulking gun can operate continuously for up to 5 hours under no load and up to 4 hours under loaded condition, ensuring prolonged use without interruption