This is the Mega Electronic Speed Control from Arrma.

FEATURES: For brushed motors only
          Integrated LiPo cutoff protection
          Used with the stock brushed motors supplied with the Arrma Raider
            Fury, ADX-10, Vortex, Granite, and Mojave

INCLUDES: Mega Electronic Speed Control with Standard Battery Connector, On/Off
            Switch, Universal Receiver Connector and 4mm Female Bullet Motor
            Connectors

SPECS:    Cell limit: 2S LiPo, 7C NiMH
          Motor Limit: 15T 540 size
          Continuous Current: 70A
          Peak Current: 500A
          Peak Reverse Current: 100A
          BEC: 5V/1A (Max 1.5A)
          Max Output Power: 500w

                                                                   jxs 11/09/11
                                                                         ir/jxs