12v Dual Qc3.0 Usb Car Fast Charger Socket With Led Voltmeter For Marine Boat Suv Truck Motorcycle Golf Cart Cellphone Product name: Small mushroom color screen voltage meter with dual USB with 60CM cable Product ModelZH-134A1 Hole size: 28mm Material: ABS flame retardant material Input voltage: DC12V [Fast charge output]: 5V/3.4A; 9V/2.5A; 12V/2A [Voltage test range]: 11-14V [Product accessories]: blue terminal * 2 60CM line red and black one each Product use: Dual USB can be used to supply power to most car supplies such as mobile phones, tablets, IPAD, navigation and GPS; color screen voltmeter can be used to detect the use of car voltage [Scope of use]: It can be installed on cars, motorcycles, ATVs, RVs, SUVs, boats, yachts, etc. Features: There are a variety of protection functions: input over-voltage, under-voltage protection; output over-current, over-voltage, under-voltage, short-circuit protection; reverse Connection protection; chip internal high temperature protection. Product advantages: 1Dual USB output voltage has three output solutions: 5V/3.4A, 9V/2.5A, 12V/2A. The content of the agreement includes 2 Charging port: DCP BC1.2, Apple Divider3/Samsung 1.2V Qualcomm QC2.0/QC3.0, Huawei SCP, FCP, Samsung AFC, Spreadtrum SFCP and other fast charging protocols. 2Can be installed on cars, motorcycles, ATVs, RVs, SUVs, boats, yachts, etc. [3] The product is equipped with a color-screen voltmeter, which can detect the use of the car battery at any time and prevent accidents caused by bad batteries. 4Adopt ABS flame retardant and high and low temperature resistant material, the stability coefficient is very high [5] The product is equipped with terminals, which is convenient and simple to install, and increases the aesthetics of the car. 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image 2. Due to manual measurement, please allow 1-3cm deviation Size: Product head diameter: 39mm, Product total length: 54.8mm. Colour: Black Quantity shipped: 1 set