This is the 60 Amp Marine LiPo Ready Electronic Speed Control from AquaCraft. This is a brushless esc for a brushless motor FEATURES: Water cooled aluminum case Equipped with Deans Ultra plugs Stutter bump warning system 11.6v cutoff Waterproof LiPo friendly Built in BEC INCLUDES: 60amp Marine ESC REQUIRES: Installation into boat SPECS: Length: 3.25" (83mm) Width: 1.5" (38mm) Height: 0.3125" (17mm) Weight: 3.8oz (109g) Wire Gauge: 14 gauge Max Output Power: 720 watts On-Resistance: 0.003 ohms Low Voltage Cutoff: 11.63V Stutter Bump Voltage: 12V Thermal Cutoff: 230 degrees F (110 degrees C) Operating Frequency: 8KHz BEC: 5.2V/2A Timing Angle: 10 degrees Battery Connectors: Male Deans Ultra Plug Connectors (2) Motor Connectors: 4mm Gold-Plated Bullet Connectors (3) Input Voltage: 12-14 NiMh 4 Cell Lipo (8-20V inout w/o BEC) Output Current: 60A Continuous Maximum 72A Surge Maximum lmm 12/17/08 ir/jxs kw updt8/6/10