The Universal Programmable Battery Guard Model BG-60 functions to protect appliances against over voltage, and prevent excess discharge of battery which damage the battery. It comes with Automatic Board System Detection. This unit automatically detects the voltage of the battery, ranges from 12 V to 24 V. It is also capable of handling 60 A stable load and 65 A transient load. The product is 3.25 in length, 2.4 in width, and 1.5 in height. The unit has 2 years warranty.