Usage Tips:On/Off Switch: This Battery Disconnect Switch 12V features On/Off 2 Position; Rating: 275A DC Continuous (1hr), 455A DC Intermittent (5 min), 1250A DC Cranking (10 sec). Stud Size: 2x3/8 inch (10mm) Easy to Install: This rv battery kill switch comes with 2pcs copper conductive sheets mounting brackets. Our battery disconnect switch is installed on the positive of the battery, which is in line with your operation habit. Our unique design also makes your installation more flexible and simple compared with other's limited product design Superior Quality: The battery switch is made of high quality ABS plastic, made for use, rear cover insulates terminals against any short of circuits. Compared with others, our battery disconnect switch is M10 tinned copper studs and comes with 2pcs copper conductive sheet, which is and more reliable in electrical conductivity Wide Application: This battery shut off switch is suitable for DC 12 - 48V system to isolate and secure the electrical system, can stand alone or be locked together with other switches. It is widely used for Car, Marine, Boat, RV, , Travel Trailer, Truck, ATV, UTV, Battery and other electrical equipment's switch Top Post Battery Disconnect Switch 12-48 V Continuous Rating: 275 Amps DC Intermittent Rating: 455 Amps DC Momentary Rating: 1250 Amps DC Voltage Rating: 12-48V DC Operation: On/Off Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour: Random Color, no specified colors accepted Material: Plastic + Metal Package Contents: 1 x Battery Disconnect Switch Kit Only the above package content, other products are not included. Note: Light reflection 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.