The Sigelei 75W does exactly whats it's called, 75 watts! Not only can you utilize wattage with the Sigelei 75W, Sigelei in now utilizing temperature control for even more precise vaping! Switching batteries is a breeze. With just the pull of the magnetic battery panel to access your single battery, you are good to go in just a a few seconds. Color options are defined by the panels along the middle of the device where your buttons and display is located. Able to fire down to 0.05Ω, the Sigelei 75W will have you sub ohming all day!