ET199: No Battery Time Licensing Dongle A regular USB dongle with time licensing mode usually relies on the real-time clock and battery inside. But smartcard equipped ET199 USB dongle offers the same functionalities with no extra cost, and of cause, no battery. ET199 provides time base software licensing with software timer inside smartcard chip, limits the software usage when license becoming void after expiry date, all timing calculation and verification done inside the dongle and have not connection to PC timer, user has no access to modify the timing limitation. Significant Advantages Low Cost: No real-time clock and battery needed. Peace of Mind Stability: No potential hazard on timing unit failures. Long Life cycle: Never out of power, goes as far as the license allows you to. Easy to maintain: No extra care required. For more information on Jansh USB dongles, please visit the website at www.jansh.com or contact sales@jansh.com.