Dual USB Car Charger LED Display Voltage Cigarette Lighter Adapter Fast Charge High Speed for iPhone 7 Plus 8 X, iPad Air Mini Pro, Galaxy S9 S8 S7 Edge Note 8, LG V30 V20, Pixel 2 XL, Nexus Android With LED screen, to show car battery voltage When the voltage is below 12v or above 24v, the buzzer alarm will automatic ring The current will be shown on the screen automatically The plug is flexible, can be 180 degree swing. With Intelligent Chip inside, The current will automatically share while using Compatible With: Apple: iPhone X, 8 Plus, 8G, 7 Plus, 6, 6 Plus, 5S, 5C; iPads(Up to 5th generation); iPods touch (Up to 6th generation); iPod nano (Up to 7th generation); Android Phones: Samsung Galaxy S9 S8 Plus S7 Edge S6,Galaxy Note 9 8 6 5; One Plus 6 5T 3T; Google 3 XL 3, 2XL, 2; Huawei Mate 10 Pro, LG Stylo 4 3 2, K30 K20, G7 G6 G5; HTC One M8,M7,Mini,M4,X,V,S /Google Nexus 5,8,7,10 / Motorola X, Droid Razr, Maxx / Sony Xperia Z2; Gopro 6 5 4, Gopro Hero 3+, Gopro Hero 3, Gopro Hero 2 and