12V To 5V USB Car Power Charger Adapter Step Down Module DC-DC Converter for GPS / Vehicle Recorder

12V To 5V USB Car Power Charger Adapter Step Down Module DC-DC Converter for GPS / Vehicle Recorder 1. Light weight and ultra-compact size 2. Full power, synchronous rectification, efficiency conversion rate: more than 90% 3. Built-in over/under-voltage input, overload, over-heat and short circuit fully protection 4. Auto-recovery when converter is back to normal operating 5. Stable and reliable performance 6. Easy and simple installation