(Merck) The Destron hand held "Pocket" type scanner is designed specifically for use with companion animals in animal shelters or veterinary clinics. It features a function button for unprecedented ease of operation. The ergonomic design makes it easy-to-use and convenient. The battery powered, radio frequency scanners incorporate many innovative features for reading and identifying electronic microchips including SMART™ technology, automatic channel searching and RF Surround™. Reads all 125KHZ, 134 kHz and 128 kHz chips, and detects all ISO chips common outside the U.S.