Features: Prevent excessive current, protect appliances and circuits. When the current reaches the cut off value, the long handle automatically pops open to cut off the power supply. After the fault is eliminated, press the long handle back to the original position to form a path. Have good plastic housing, durable, waterproof, and dustproof. Manual reset button, manual control, and easy to operate with manual reset arm. Fits most cars, marine, boats, trolling, motors, RVs, ATVs. Specification: Amperage: 150A Voltage: 12V-48V Material: Zinc Alloy, Plastic Color: Red, Black Size: 7.5x5x4.5cm / 2.95"x1.97"x1.77"(L*W*H) Instructions: Press the oval red button, the long handle pops open, the circuit breaker is de-energized; After resetting the popped red long handle, the circuit breaker is energized. Package Includes: 1 x Car Circuit Breaker with Manual Reset 2 x 4AWG Ring Terminals Attached