The Dovpo MVV Mod supports 2pcs 18650 batteries, which contributes a lot to its max 280W power. There are multiple protections such as short circuit protection, over-heat protection and low voltage protection, which makes your vaping safer. With the zinc alloy construction, the device has a fine appearance, and it is durable. 

Main Features: 
Operating voltage: 6.2 - 8.4V
Output voltage: 1 - 8V 
Max output wattage: 280W 
Supports 2pcs 18650 batteries ( not included ) 
Multiple protections 
Magnetic cover 
Thread: 510 
Material: zinc alloy