Squid Vape TAC-21 200w Mod Squid Industries introduces the new TAC-21 200W Box Mod, a power upgrade to the Double Barrel 2.1 with higher maximum wattage and updated top-mounted OLED Screen with accommodation for dual 20700 batteries. TAC-21 Mod :· Dual High-Amp 20700 Batteries - Not Included· Optional Dual 18650 Batteries - Requires Battery Sleeve· Wattage Output Range: 5-200W· Minimum Atomizer Resistance: 0.1ohm· Heavy-Duty Stainless Steel Construction· Multi-Function Fire Switch - Wattage Adjustments, Power Switch· Tactile Firing Button· Intuitive Top-Mounted OLED Screen· Bottom-Loaded Sliding Battery Door· Reverse Polarity Protection· Overheat Protection· Short Circuit Protection· Spring-Loaded Solid Brass 510 Connection INCLUDES :· 1 x TAC-21 Box Mod· 2 x 18650 Battery Adapters· Instructional Manual