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DC-Powered 4-Port USB Hub CNX-P5USB (12v and 24v systems)
Internal DC-DC Regulator Accepts 7-32 Volts Battery Overvoltage Surge Protection Designed specifically for automotive use- Unit powers on and off with Ignition Status Survives Engine Cranking Voltage Fluctuation Delayed Shutdown Jumper Selectable 5 minutes or 25 minutes