Panel Dual USB Socket and Voltmeter for Boat / Rv / Car / Motor-home - External Mount

12V Marine Dual USB socket w/ Voltmeter. 1. Rating voltage is 12V/24V 2. material: UV stabilised plastic 3. High quality & good price Dual USB Power Socket with a Voltmeter. Specifications and Details: 1. Bulild-in heat resistant ceramic protector 2. Material: Aluminum alloy and stainless 3.designing intergrative, it is more convenient 9. Material: good quality Has bright red LED segments so that viewer can easily keep track of the state of the battery and charger. Specifically designed for marine and automotive applications Non-corrosive power socket to allow any 12V electrical appliance that has a cigarette plug attachment to be easily connected to it 2 pole nickel plated brass terminal connectors. Suitable for a variety of applications including: Marine cockpits, caravan applications, trucks, 4x4s and RV's