Unbranded 9V Computer Memory Saver

FeaturesAutomotive computer memory retaining tool designed to maintain the memory of the on - board vehicle computer when the power source is disconnectedUse of this tool when changing or interrupting the power source prevents loss of certain driveability codesKeyless entry codes digital radio setting cellular phone settings and other memory related functionsPrevents loss of radio function on anti - theft radio systemsUse with 9 volt alkaline batterySpecificationsVoltage: 9V