Each Kit Contains: 2 × Batteries 5 × Atomizer Head 2 × Atomizer Base 2 × Atomizer Cover 5 × Tank Cartridge 5 × Mouthpiece Cover 1 × Mini Charger 1 × USB Charger 1 × User Manual Parameters: 1. Capacity of the battery: 900mAh/650mAh 2. Battery input power: 4.2Voltage 3. Battery output power: 3.3-4.2Voltage 4. One PC of fully charged battery lasts for: 800-850puffs (900mAh) 600-650puffs (650mAh) 5. One PC of carttridge lasts for: 280-320puffs 6. Recommended charging time: 4hours for 900mAh battery 3hours for 650mAh battery 7. Battery serviceable life: ≥ 300 times Warranty: We provide 6 month warranty for free replacement Remarks: 1. Sampe orders are available 2. This product is not suitable for anybody under the age of 18 and not for use by non-smokers. 3. Warning: Keep cartridges and fluid out of reach fom children chemical in its pure form is a poison and can cause harm. 4. All chemical cartridges and fluid must be kept in a safe place and away from children, as the amount of chemical in a cartridge, if ingested by a small child could cause serious harm and medical assistance should be sought.