Description: 【Safe Protection】: The power off switch for boat and yacht can effectively cut off the power supply, prevent excessive discharge of the battery, and protect the safe of the battery and electrical equipment. 【Material】: The battery disconnect switch is made of premium material, wear resistant and sturdy, ensuring stability and reliability for long term use. 【Practical】: Boat Battery Disconnect Switch Includes Alternator Field Disconnect, when the battery is not in use for a long time, can safe disconnected the power supply. 【Easy to Install】: The battery shut off switch is easy installation, no professional help required. 【Widely Application】: Cut off battery power switch is suitable for various types of vehicles such as marine, car, rv, truck, trailer, boats, yacht, ATV, UTV, etc. Specification: Switch Type: Selector 4 Position Switch Positions: 4 Alternator Field Disconnect: Yes Maximum Voltage: 32V Terminal Stud: 140 in-lb (15.82 Nm) M6x40 Screw Size Chart: LengthxWidth: 9.3cmx9cm/3.66inchx3.54inch Package Includes: 1 Boat Battery Disconnect Switch(Includes AFD) Note: Please allow slightly errors 1-2cm differences due to manual measurement.