Worlds first electronic avalanche probe. Proven to reduce fine search time by 60%. Receives 457kH signal from any beacon within 2M range. Audible signals indicate you within 50cm of the victim. This is close enough to start digging them out. Save time. When used together with beacons having iProbe support* the rescuer can use the iProbe mark function to suppress the transmitting beacon"s signal allowing the next closest victim to be found quickly and easily. The ultimate multiple burial tool.New, longer length option is new for 2010.*Freeride and Pieps DSP have iProbe support built in since fall 2007. Your older DSP"s can be updated with iProbe support and other features through our authorized update centers. Call us today for a location.Weight: 340 gramsProbe length: 260cm, 102"Weight: 370 grams