3-in-1 Cigarette Lighter Car Mount + Voltage Detector, SOAIY Car Mount Holder Cradle w/Dual USB 3.1A, Display Voltage Current Compatible with iPhoneXS XS Max XR X 8 7 6s 6 5s Samsung S8 S7 S6 S5 For iPhoneXS XS Max XR X 8 7 6s 6 5s 5C 5 4S 4 Samsung Galaxy S8 S8 plus S7 S7 Edge S6 S6 Edge Note 5 4 3 2 S5 S4 Most Type of Smartphones. NOTE: If your product is not returnable , please remember to contact us seller ,we will help you get refund or replacement,thanks! 3-in-1 Multifunctional- Car mount with charger , additional LED display screen car voltmeter circularly shows the vehicle's battery voltage, device's charging voltage and charging current in real time, easy to monitor the health of your vehicle's battery and allows you to know when it's time for a replacement 2 USB Charging Port- Dual 2 USB charging ports, 2.1A + 1A Maximum 3.1A Output allows you to charge 2 devices simultaneously. Intelligent protection circuit protects against over-voltage, over-current and over-heat. Flexible goose neck and 360 degree rotating - Allow you to position your phone or GPS horizontally, vertically, or tilt in any direction, provide the optimal viewing angle, view your device at any angle or orientation while driving Fit Most Cellphones - 1.5-3.4 wide extendable grip with Non-slip feet and surface keeps your phone tightly locked in and prevents your device from falling or moving around without leaving a scratch. one press side button release design for one-handed operation 1.Fastcharge with one 2.1A and another 1A USB charging port, Dual 2USB Charger Ports with a Maximum 3.1A Output suitable for cell phones and tablets. 2.LED Display Screen Shows The Real Time Of Vehicles Battery Voltage, Devices Charging Voltage and Charging Current in turns.Easy To Monitor The Health Of Your Battery And Allows You To Know When It&#039;s Time For A Replacement.You can charge your phone while using GPS. 3.360 degrees Rotation Knob and Flexible Design to Easily Get Your View. 4.Rubberized anti-slip feet keep your device from slipping and Scratching <span class="a-text-bold">It is suitable for</span> iPhone 7/ iPhone 7plus/ iPhone 6/6S 6plus/6S plus 5S 5C 5 4S 4 Samsung Galaxy S7 S7 Edge S6 S6 Edge Note 5 4 3 2 S5 S4 Most Type of Smartphones.Also it is compatible with most tablets. <span class="a-text-bold">Car&#039;s Battery Voltage</span>: The bigger number when red light on the left turns on <span class="a-text-bold">USB Charging Voltage</span>: The small number when red light on the left turns on <span class="a-text-bold">Charging Current</span>: The number when green light on the right turns on.