... 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 ... 350 000 times continuously. If you need a dependable, tamper-proof data collection system, WM ... need to track people, items, locations, and activities. With a simple touch, the WM-5000E2 reader reads ...