Compatibility: Newly designed manual reset circuit breaker, compatible with all 12, 24, 48 volt systems. SAFE AND PRACTICAL: Built-in high-current terminals, high-sensitivity, high-tech waterproof housing and protective rubber bolt caps can protect your trolling motor from electrical damage and save the cost of replacing fuses. Resettable: Manual reset button, the red button on the circuit breaker can be used as the main disconnect switch for the circuit and also as a kill switch. Accepts direct connection of 0 or 2 or 4 or 8 gauge power cord to adapter, wired IN (BAT) input, OUT (AUX) output. Mount on panels or firewalls. Applications: Overload or short circuit protection for automotive audio or video systems, marine, truck, bus, RV, ATV winches, and marine and DC PA systems. Colour:As shown Material:plastic type:300A Package Contents: 1 x Circuit Breaker with Manual Reset 1 x m10 wrench Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.