... touch, the WM-5000E2 reader reads touch memory buttons, which are memory chips housed in small, water-resistant, stainless ... -45° to +85°CStorage Capacity 7200 touch memory button readsBattery 3.0 V Lithium battery, long ... continuous readsCommunications USB port, downloader stationPrompt Means LED flash promptApplication:Security guard patrollingbuilding guard patrollingcommunity guard patrollingTime & ...