The Sleek New 2020 Edition Yocan Evolve Pen Features sub ohm dual quartz glass rod coils for powerful, clean taste in a very compact and durable pen. Easy to use, this kit comes with everything you need to start puffing. Specifications: Battery Capacity: 650mah Atomizer Resistance: 0.8ohms Max Atomizer Wattage 15W (exceeding will damage coil or shorten lifespan) In Box: 1 Evolve Atomizer 1 Evolve Battery 2 Quartz Dual Coil Heating Elements (1 pre-installed) 1 Metal Tool 1 USB Charger