Voltage: 7.4V (Li-ion battery) Max thrust: 300 kgf±30 No load speed: 6.9mm/sec Overall length: 212mm Carriage: 9"( Cartridge 310ml) One full charged battery can dispense >100 tubes of 9" silicone cartridge Net Weight: 1.25kgs Size: 390mm(L)*225mm(H)*70mm(W)