Official Seller TheBrainDriver tDCS Device! Includes 1 Year Parts Labor Manufacturer's Warranty TheBrainDriver v2.1 tDCS Digital Precision + Safety Features. (Everything Included. Ready-to-Use). TheBrainDriver v2.1 Features: "Beep/Tone Sound" Indicator when powering ON and at the end-of-a-session 20 30 Minute Safety Timer with Automatic Shut-Off Courtesy LED lighting for easy safe nighttime use 4 Selectable Current Levels; 0.5mA, 1.0mA, 1.5mA, 2.0mA Comfortable Scaling when switching levels up or down Newly Designed Circuitry Makes it Pocket-Sized Portable for Travel Automatic Safety Shut-Off When Not In Use (to extend battery life) Automatically alerts you when TheBrainDriver is not properly attached while in use Overload Protection with Safety Shut off Detailed Product Description We are the official seller of TheBrainDriver tDCS. - Safety Designed Transcranial Direct Current Stimulation (tDCS) Device with 4 Selectable Current Levels (0.5mA, 1.0mA, 1.5mA, 2.0mA), Advanced Circuitry, LED Lit Screen for Safe Nighttime Use. TheBrainDriver Deluxe tDCS System Includes Everything You Need to Get Started; Main Unit, Comfortable Electrode Positioning Headband, Color-coded Wire set, 2 Color-coded Electrodes, 2 Pairs of Sponges, 9 volt Battery, Storage Case. Device Output Selections; 0.5mA, 1.0mA, 1.5mA, 2.0mA. Plus, Numerous Safety Features; Battery Level Indicator, 20 30 Minute Timer with Automatic Shut-Off at End of Session, Automatic Shut-Off When Not In Use, Automatic Shut-off when Not Properly Attached, Overload Protection. Pocket-Sized Portable for Easy Travel!