Model Number: Steamer-T-#9174 Brand Name: Boluvaper Key Specifications/Special Features: electronic cigarette boluvaper e cig1. 2000mAh 18650 battery2.out put Voltage: 3.7V3.Out put wattage: 7-50W4. Fashionable appearance , good hand feeling5.USB bottom Charging with indicator light6.Variable Voltage & Wattage give more choice for Low resistance7.Smoking time control : When you smoke than 10s, the battery will stop automaticlly8.Puffs recording : It will record the puffs and times you smoking9.short circuit protection