Random color! Description:Features: The only button on the tester is for viewing and testing the data switcher. The tester can be turned off to save data. The USB charger tester can easily measure the output voltage of the USB port and the device. Compact, without power and other auxiliary devices, plug and play. Specification:Type: 8 in 1Input Voltage Range: 4-30VAnth Monitoring Range: 0-5ACs: 0-99 HoursPower: 0-150WPotention: 0-99999mAhElectricity: 0-99999WhPackage Data: 1-9 GroupTemperature: -5 - 80°CTuering Frequency: LCDPort: USB InputMaterial: ABSMecession: 60.5x28x1 5mm/2.38x1.10x0.59" (Approx.) USB Port Size: 13mm/0.51" (Length) (Approx.) Color: Blue, BlackQuantity: 1pcNote: Transition: 1cm=10mm=0.39inch From Retail Package. Please allow 1-3mm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 1 x USB Tester (Other accessories demo in the picture are not included.)