... waterproof winch 3. wired and wireless control option 4x4 Electric Power Winch 8500lb CE approved water proof and heavy duty truck ... superb strength and longer cycle life.3. Gear ratio 230.4:1, sliding ring gearOr Gear ratio 191:1, keyway cam clutch ... company is a professional winch manufacturer for 4x4 electric winches, truck winches, car winches, power winches, jeep winches, ATV trailer winches, ...