[OPERATION]On/Off 2 Position; 275A Continuous (1hr) at DC 12V, 455A Intermittent at DC 12V (5 min), 1250A Cranking (10 sec) at DC 12V [SIZE]2 Standard 3/8inch (10mm) copper terminal stud. Standard 2-1/16inch (52 mm) hole cut out (same as standard gauge hole); Inside: captive inserts for 3/16inch (4.8 mm) nuts providing full access for cables with no restrictions. Equipped with 4 for installation [STURDY CONSTRUCTION]ABS plastic housing to resist the harsh marine conditions, size, sleek modern appearance, sturdy and durable made for safety use [COMPATIBILITY] switch is used for Car, Marine, Boat, RV, , Travel Trailer, Truck, ATV, UTV and other 12V 24V 48V devices to isolate and secure the electrical system, disconnects the battery safely, to eliminate any power draw from the battery when vehicle or boat is not in use [PANEL-MOUNTED]This battery disconnect switch is designed specifically for panel mount applications; Countersunk recesses for surface mount application Operation: Continuous Current: 275Amps DC Intermittent current: 455Amps DC Starting current: 1250Amps DC Voltage: 6V-48V DC ABS plastic housing, durable made. Isolate and secure the electrical system, could stand alone or be locked with other switch. Eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely. Rear cover insulates terminals against any short circuit. Material:ABS plastic colour:Black + Red Package Contents: 1 x Battery Switch 4 x Mounting 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.