The EVOD is a fantastic kit that will work equally well for new and experienced e-cigarette users. The EVOD can feature excellent bottom-coil clearomizers that are both easy to fill and offer incredible performance. Each kit includes your choice of clearomizers 1) CE4 tank holds 1.6ML and is 2.5 ohms to coil. This tank does not have replaceable coils. 2) T2 tank holds 2.4ML and is 2.3 ohms. This tanks coil can be replaced and has great throat and enjoyable vapor. 3) MT3S tank holds 2.4ML and is 2.2 ohms. Its enclosed with stainless steel with a slot window to see liquid The metal base on the bottom is detachable and the clearomizer heads are replaceable. 4) T3S tank holds 2.4 ML and is 2.2 Ohms. With a clear plastic tube. The metal base on the bottom is detachable and the clearomizer heads are replaceable. We we try and send you the same color as the batteries you choose. Great clearomizers don't mean much without a great battery, and the EVOD batteries are top-notch. They have a similar design to the popular eGo style batteries. Thanks to a regulated constant power output of 3.7v these batteries offer the same great performance from start to finish. This kit also includes other nice features like your choice of 5 colors. Each kit contains: 2pc EVOD Manual battery (Constant output voltage:3.7v; Capacity:650mAh) 2pc Clearomizers 1pc USB Charger 1pc AC-USB with USA plug (Output Voltage:5v 300mA) Colors: Black/Stainless/Blue/Purple/Pink Ecig Size: Diametter 14mm; Length:135mm Battery Output Voltage: 3.7v Battery Capacity: 650mAh Clearomizer Capacity:2.4ml Threading:510/eGo