The GEM GR4A Four-Motor Remote with Auto-Stop delivers powerful, professional-grade control for large boat lifts with up to four motors, making lift operation smoother and safer. Designed for marine use, the unit features a weather-sealed, lockable control box and a water-resistant floating radio transmitter — built to handle harsh dockside conditions while maintaining reliability. With up/down or automatic one-touch control (when paired with a compatible limit switch), the GR4A simplifies lifting and lowering boats with minimal effort. Its 300-ft radio range and built-in leveling switch ensure synchronized, balanced lift motion from a distance. Perfect for residential docks or marinas that require robust, heavy-duty lift control. Includes a water resistant floating transmitter This product can be wired for 120, 208 and 240 volts; 30 amps max. It also comes with a transmitter GEM-7240 in the box. Autostop: The lift starts and stops on it's own. This requires an additional limit switch.
