Compatible with: 510 TanksVariable Voltage: Two (2) Button ClickMode 1 (Green) - 3.2VMode 2 (Blue) - 3.6VMode 3 (Pink) - 3.9VBattery: Built-in 500mAhSize: 80mm x 42mm x 28.6mmCharging: Type-CThread: 510Display: LED LightsLanyard Loop