Worcraft ALL-LINK Cordless Caulking Gun 20V Li-ion battery Press Out speed: 0-8.7mm/sMax. pressure force: 6500NMaterial Capacity: 300/600mlPerformance 2.0Ah battery:300ml hard silica gel:50-70 pcs600ml soft silica gel:30-60 pcsPacking: Color box (without battery and charger) Model No:CCG-S20Li