1. Applicable to IP11-15PM series to modify the system pop-up window, set the battery efficiency and cycle times, support battery information reading, battery cable data modification and other operations 2. Single unit can modify the system pop-up window, correct the battery efficiency and cycle times, eliminating the need to set up the mainframe + cable 3. Equipped with various types of battery cables 4. Support USB connection to computer to upgrade the firmware to increase the function 5. Size: about 6.5 x 5.5 x 1cm 6. Weight: about 21g