A powerful and portable transcranial direct current stimulation (tDCS) device for the budget minded individual without sacrificing quality or precision. Brain Premier is an accurate and portable brain stimulator with a built in rechargeable battery. Designed by a leading transcranial magnetic stimulation device manufacturer, the Brain Premier tDCS brain stimulator is both easy to set up and simple to use. Use the center wheel controls to set direct current intensity, adjust the tDCS session timer, start and pause your stimulation session. Brain Premier continuously measures tDCS electrode contact quality and resistance to ensure accurate direct current delivery. Bright backlit LCD display indicates stimulation time remaining and real-time current output. This transcranial stimulation device has both visual and audible indicators to alert the user of the end of a stimulation session. A rechargeable long lasting lithium ion battery allows you to run multiple sessions of a single charge. This device gives you full control over your session settings, allows you to set both the Direct Current intensity level (maximum 2.0 mA and can be incremented in steps of 0.1 mA), giving you full control over your session settings. Maximum Session Timer: 40 min (timer can be incremented in 1 min intervals).