40W Eleaf iStick TC Kit comes with 1 x 40W Eleaf iStick TC battery 1 x GS TC atomizer 1 x USB cable 1 x 510-eGo adapter 2 x GS Air TC Head (0.15ohm) 1 x user manual 40W istick battery: Battery size: 21*35*82mm Wattage output: 5-40W Max output voltage: 8V Battery cell type: 20600 Minimum resistance: 0.05ohm(VT mode), 0.15ohm(VW mode) Temperature range: VT mode 200~600 F or 100~310℃ GS TC tank: Size: 22.1 x 49.8mm Working voltage: 3V - 6V Capacity: 3.0ml