smart guard tour system, complete waterproof, 300000 continuous card reading, super durability, 7200 guard tour records ... advantages. With unique design and special adhesive, WM-5000E2 reader is waterproof. The unique design that there is not any screw on ... , locations, and activities. With a simple touch, the WM-5000E2 reader reads touch memory buttons, which are memory chips housed in ...