Vandy Vape Requiem BF Kit is a full mechanical BF Kit designed by El Mono Vapeador. It's exquisite and small, solid and durable. Powered by a single 18650 battery, and the silver contact and different alloys for maximum conductivity, that provide faster output, full power pass-through. Requiem BF Kit comes with a safety switch to lock the power button, lock the switch so it cannot be fired when you're not using it. The 6ml e-juice capacity has three methods of the bottle to refill, and it is compatible with part of the BF bottles. Also, the atomizer supports coil installation.