Kit incudes: vLoc3-Pro Receiver w/Bluetooth Module and Signal Direction, Loc3 5-Watt Transmitter with alkaline battery tray, Connection leads, Ground stake, 5-inch signal clamp and Manual in a Soft kit bag. Bluetooth module useable with external GPS devices and EMS foot to locate buried markers. Signal Direction is used to verify that the line being located is the target to which the transmitter has been connected in areas where multiple signals radiate from nearby cables and pipes.