iStick :• 2,600 mAh Battery Capacity• Ergonomic Design• Temperature Control Capability• Works With Nickel and Titanium Coils• Clear OLED Screen• Variable Wattage• Variable Voltage• 40 Watts of Power• Spring-Loaded Center Pin• Puff Timer• Battery Level Indicator• Stainless Steel Components INCLUDES :• 1 x iStick TC40W• 1 x eGo Threading Connector• 1 x Manual• 1 x USB Cable