Filling instructions: Turn the clearomizer upside down Remove the metal base by unscrewing Fill with E-Liquid by tilting the tube at a slight angle and dripping juice down the inside wall (Do NOT put E-Liquid in the center tube) Screw the base back on to the tube assembly Screw clearomizer on to the battery Replacing the coil head- Unscrew the base from the bottom of the clearomizer tube Unscrew the replaceable atomizer head Replace with new coil head Screw the base assembly back on to the tube Technical details: Capacity - 1,5 ml Lenght - 77 mm Diameter - 14 mm Resistance - 2,4 Ω Coil - bottom coil - exchangeable