This is the Novak 1S LiPo Booster Module. FEATURES: For single cell LiPo racing, replaces receiver battery Boosts the output of the main battery pack from 3-4V to a standard 6V and 3 amps to power the receiver and servo for the duration of the run Power wires connect to the main battery pack or the ESC"s battery terminals, harness connects to battery slot in receiver Requires no set up or programming Blue LED on circuit board indicates when power is on INCLUDES: Novak 1S LiPo Booster Module with Instructions and four Zip Ties jxs 12/16/11 ir/jxs