Properties: Other Place of Origin: Guangdong, China (Mainland) Brand Name: PROSMOKER Model Number: EVOD twist -S0517 Battery capacity: 900-1300mah Puff: 700-1100 puffs Charging time: 3-4 hours Atomizer color: red, black,pink, green,blue, purple,ss, white EVOD twist battery color: EVOD twist battery red, black,pink, green Variable voltage: 3.2-4.8V Resistance: 1.8-3.0ohm Length: 114.5mm Diameter: 14mm Thread: 510/ego thread http://www.proesmoker.com