Powerful 6500N Output: Featuring a reinforced rubber push plate, this electric caulking gun delivers a force of 6500N, ensuring consistent and smooth adhesive application. The sandblasted friction surfaces enhances control, making it ideals for precise sealing and heavy-duty bonding tasks. Dual Lithium Batteries: Equipped with two 21V lithium batteries that charge fully in just 30 minutes, this caulking gun allows you to dispense 300 to 600ml or 10.5 to 21 ounces of glue, providing extended work time without any interruptions. Enhanced Performance: With an adjustable 6-speed setting, you can tailor the flow rate (IPM) from 0 to 21 inchess per minute. The integrated high-brightness LED light ensures visibility, enabling you to complete tasks even in low-light conditions. Anti-Drip Technology: Designed with an automatic retract function for the plunging rod, this caulking gun prevents unnecessary adhesive drips, keeping your workspace clean. Its compact design and ergonomic handle make it comfortable for prolonged use. Versatile Use: This caulking gun is perfect for sealing a variety of materials including glass, ceramics, sanitary ware, and kitchen fixtures. Whether you're filling gaps and cracks in doors, windowss, toilets, or walls, our glue gun is an excellent choice.