This is the Dynamite 30A Brushless 2-3S Marine ESC. The Dynamite 30A Brushless Marine ESC has been built and optimized for the everyday driving needs associated with your hobby. The waterproof and water-cooled ESC is easily able to switch battery chemistry through an external push button switch and provides an easy-to-install solution for replacement or upgrade needs. The ESC is pre-wired with an EC3 battery connector.

Features:

• 30A rated
• 2-3S LiPo compatible
• 6-9 cell NiMH compatible
• Waterproof and water cooled 

Specifications: 
Forward: Yes 
Reverse: Yes 
Brake: Yes 
Time Delay Brake: Yes 
Continuous Maximum Current: 30A 
Input Voltage: 2-3S LiPo, 6-9 cells NiMH 
Input Connector Types: EC3 
Output Connector Types: 4mm Female Bullet 
Momentary Peak Current: 180A 
Length: 2.15 in (54.5mm) 
Width: 1.12 in (28.4mm) 
Height: 0.73 in (18.5mm) 
Weight: 1.47 oz (41.6 g) 
BEC Voltage: 6V 
PWM Frequency: 8kHZ 
Overload Protection: Yes 
Full On Resistance: 0.002 ohms 
Wire Gauge: 14 AWG