brand new and high quality Features: Customized Design & Heavy Duty: design for 2 batteries, can switch to battery 1 / battery 2 separately or both and off together. ABS plastic housing, durable made for safety use, equiped with 4 sets of bolts. Operation: 1-2-Both-Off 4 positions, 200 A continuous at for DC 12V, 300 A intermittent at for DC 12V, 1000 A momentary at for DC 12V. Compatible: used for DC 12 - 48 V systems to isolate and secure the electrical system, can stand alone or be locked together with other switch. Purpose: eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely. Copper terminal stud size: 5/16" (8 mm) x 3, very easy to install, universal used for car, vehicle, Rv and boat, also electrical equipment's switch. Specification: Material: ABS plastic Color:Black Size: One Size Length: 6.8cm(2.68in) Width: 6.8cm(2.68in) High:7.4cm(2.91in) 1, Design for 2 batteries, can switch to battery 1 / battery 2 separately or both and off together. 2, ABS plastic housing, durable made for safety use. 3, Rear cover insulates terminals against any short of circuits. 4, 1-2-Both-Off 4 positions. 5, Copper terminal studs with nuts and washers. 6, 4 mounting screw holes. 7, 200 A continuous at for DC 12V, 300 A intermittent at for DC 12V, 1000 A momentary at for DC 12V. 8, Used for DC 12 - 48V systems to isolate and secure the electrical system. 9, Can stand alone or be locked together with other switch. 10, Eliminate any power draw from the battery when vehicle or boat is not in use. 11, Disconnects the battery safely. 12, Universal used for Car, Vehicle, RV and Boat. 13, Used as lectrical equipments switch. Note:1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x battery switch. 4 sets of mounting bolts.