The XTpc+ multi-frequency pipe and cable locator from Schonstedt Instrument Company has a lightweight, compact receiver and 5-watt transmitter. The receiver operates at 512 Hz, 33 kHz and 82 kHz, with passive detection at 50/60 Hz and sonde detection at 512 Hz. It is powered up to 12 hours by a single 9-volt alkaline battery. It operates at a maximum depth of 19 feet in temperatures of -4 to 140 degrees F. The transmitter is powered by a rechargeable 12-volt NiMH battery pack that operates up to eight hours. It has a backlit white LED array and ambient light sensing. 800/999-8280; www.schonstedt.com.