... locking for crystals button digital resetting 2,LCD display,power and mouthfuls display 3,battery bottom with magnet model: KGO ... for crystals button digital resetting2,LCD display,digital resetting display,power display,mouthfuls display3,with LCD battery light, the battery bottom ... 750mAhFull battery can keep for 750 puffsWeight of single e-cigarette:54gWeight of battery:41gWeight of atomizing device: ...