Miumaeov Cordless Caulking Gun with 6 Adjustable Speeds Handheld 21V Battery Operated Caulk Gun Electric Adhesive Caulking Gun Tool Kit with Toolbox

Specifications Model: KMZ-21 Material: Plastic, Copper, Aluminum, Silicone Surface Treatment: Blackening Plug: US Standard Color: Black, Red Power Source: ‎Battery Powered Adapter Model: HSZC-2188 Batteries Included: ‎Yes Battery Type: ‎2*21V, 2Ah Lithium Batteries(Included) Input: AC100-250V, 47-63Hz, 0.8A Output: 21VF-98VF=1A Gluing Depth: 50mm/1.97in Thrust: 0-8000N Material Range: 300ml/0.08gal Hard Adhesive, 600ml/0.16gal Soft Adhesive Rubber Nozzle Opening Diameter: ＞12mm/0.47in Speed: 30-70s/Stick of Glue Barrel Inner Diameter: 5cm/1.96in Barrel Outer Diameter: 5.5cm/2.16in Speed Control Gear: 1-6 Number of Items: 1 Gross Weight: 3.6kg/7.9lbs Product Length: 60cm/23.62in Package Size: 24*12.5*4.3in