50A
support 4S battery with 3A UBEC output with water-cooled one-way
without back Dimensions: 53 * 40 * 16mm Weight 58 grams (including wire
and water-cooled block)

70A support 6S battery with 5A UBEC
output with water cooled one-way without back Dimensions: 75 * 41 * 18mm
Weight 95 grams (including wire and water-cooled block)

125A
support 6S battery with 5A UBEC output with water-cooled one-way without
back Dimensions: 75 * 41 * 23mm Weight 120 grams (including wire and
water-cooled block)

200A support 6S battery with 5A UBEC output
with water cooled one-way without back Dimensions: 65 * 41 * 26mm Weight
140 grams (including wire and water-cooled block)

Marine two-way brushless ESC instructions
Basic Features:
1. Voltage range 4.8V-29.75V
2. 4 — 12NIMH 2-7LIPO
3. Featured high-performance FET
4. Single LIPO protection voltage 3.0V
5. Continuous working current A / 50A / 80A / 100A / 200A instant 200A / 320A / 500A / 650A
6. PWM frequency 8K / 16K / 32K
7. Supports brushless sensorless motors for the vast majority of models with 14-pole motor speeds up to      30,000 RPM.
8.Waterproof design

Additional features:
Brake strength optional
Support reversing function (no reversing / 25% power reversing / 50% power reversing optional)
Support Banpo start
Throttle position error prohibited start
Automatically learn the throttle trip
The error signal turns off the power
Receiver no signal alarm, and turn off the output.