Digital DC Voltmeter LED Dual 2 USB Port For Car Boat Marine

Descriptions: 2 Port USB Socket Charger: This is a great quality USB charger very reliable range of 12v power socketsoutlets Comes with dust cover Heavy duty construction The unit has threads all the way so you can fit to slim aluminum or thicker wood fibreglass materials Amperage rating Suitable for interior or exterior use. The flush mount socket features a dust proof cover and are suitable for charging GPS , PSP, Mobile Phones and other digital devices. Specification: 2 port USB Socket Waterproof Design Power Input: DC 12V24V USB Socket I Power Output: DC 5V 1A USB Socket II Power Output: DC 5V 2.1A Output: 5V 3.1A DC(Total) Standard Nut Installation Waterproof USB Cap DC Voltmeter: This is a high quality voltmeter for checking the sta