This is a professional and practical circuit breaker, which can effectively provide overcurrent protection, overvoltage protection, current residual protection, and overcharge protection for yachts and RVs, making your yacht safer. It is made with craftsmanship, can be durable for a long time, will provide you with better working performance, and will be your good tool choice. Features -Color: Black. -Material: Zinc Alloy. -Size: About 10.00X4.50X4.00cm/3.93X1.77X1.57inch. -Applicable voltage: 12-48V. -Mainly made of zinc alloy material, it can be durable for a long time. -Can be used as a current , efficient and convenient, to provide you with better durability. -Protect your trolling motor from electrical damage, prevent excessive current and prevent surges from damaging the amplifier. -Easy to install, you can easily provide more protection for your yacht. -This is a very practical yacht and RV protection equipment, which will serve you very well. Package list: 1 x Circuit Breaker