The Gen-Eye Hot Spot Transmitter from General Pipe Cleaners makes pipe and utility locating easy. Its 5-watt transmitter has four trace frequencies, and an LCD graphic display that indicates line resistance and current flow. Choose one of four line trace frequencies — 1, 8, 33 or 65 KHz. The graphic display with auto backlight indicates battery level, output level, USB connection, connectivity, type of transmission, and active frequencies. Long battery life keeps the unit operating for as much as 100 hours. 800/245-6200; www.drainbrain.com