... biggest advantages. With unique design and special adhesive, WM-5000E2 reader is waterproof. The unique design that there is not any ... locations, and activities. With a simple touch, the WM-5000E2 reader reads touch memory buttons, which are memory chips housed in ... 7200 touch memory button readsBattery 3.0 V Lithium battery, long life spanBattery life 350 000 continuous readsCommunications USB port, ...