eLeaf iStick 50 Watt Device Only Red Color: Red 50-Watt eLeaf iStick with OLED Screen MOD Battery - 4400mAh an upgraded edition based on iStick series batteries. It brings more powerful vape due to the expanded range of output voltage (2V - 10V)/ wattage (5W - 50W) with an amazing 4400 mAh battery capacity. The iStick 50-Watt has a unique temperature alarm function ensuring high-safety. Measuring 83mm tall by 45mm wide and 23mm deep the iStick 50-watt is larger than the original iStick which measures 75mm by 33mm by 21mm’s. it’s still pretty compact for having a 4400mah battery and a 50 watt output. The OLED screen and adjustment buttons have moved from the side of the device to the front if the iStick 50-watt there is also now a lock feature for the adjustment buttons. The firing button still remains on the side of the device. Features:Size: 23.0 x 45.0 x 83.0mmRated resistance range: 0.2Ω - 5ΩCapacity: 4400mAhThread Type: 510 ThreadVariable voltage: 2.0V - 10.0VVariable wattage: 5W - 50W Includes:1 eLeaf iStick 50-Watt Battery1 Micro USB Cable