Damn Vape's Doom RTA has an overall diameter of 26mm and a height of 31.6mm (not included drip tip). In addition, it has an e-juice capacity of 4ml, and can be filled easily via its top fill design. Included in the packaging you do receive quite a lot. You'll get two mesh coils, cotton, a mesh jig, user manual, extra glass tank and a spare parts bag. It's build deck is quite easy to install your mesh coils as it does feature clamps. You'll be able to easily install the included 0.11 ohm or 0.13 ohm mesh strips.