RJ12 UTP Cable - 0.3MA cable to connect the BMV shunt to the BMV head unit. An RJ12 cable ships standard with a BMV battery monitor, but if this cable is too long or too short it can be replaced by one of these cables. The length of this particular cable is 0.3 meters.Please contact your dealer for any returns, repairs or support issues related to this product. Specifications: Type: Cables Box Dimensions: 2"H x 4"W x 6"L WT: 0.2 lbs Quick Guide (pdf)