Photo 1 of PlusRoc Waterproof 12V/24V to 5V Converter DC-DC Step Down Module Power Adapter Compatible with Ring Keypad, Cellphone, Car (Micro USB Connector)

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Photo 1 of PlusRoc Waterproof 12V/24V to 5V Converter DC-DC Step Down Module Power Adapter Compatible with Ring Keypad, Cellphone, Car (Micro USB Connector)Photo 2 of PlusRoc Waterproof 12V/24V to 5V Converter DC-DC Step Down Module Power Adapter Compatible with Ring Keypad, Cellphone, Car (Micro USB Connector)