3.8 x 2.8 x 2.7 inches

On-Off Battery Disconnect Switch DC 12V-48V 275A, Heavy Duty Marine Battery Power Cut Master Switch Disconnect Isolator Ignition Protected for Automotive RV Marine Battery Kill. Widely Application: Battery isolate switch is usually used with the battery box, fuse block which can isolate and protect the electrical system; widely applied to marine, boat, yacht, car, RV, camper, travel trailer, truck, ATV, UTV, etc.