smart guard tour system,waterproof, 300000 continuous card reading, super durable, 7200 guard tour records storage WM-5000E2 guard tour system is a very popular product on the market. Small-sized, durability, and low power consumption are its biggest advantages. With unique design and special adhesive, WM-5000E2 reader is waterproof. The unique design that there is not any screw on the surface ...