Description 1. Ancel BD310 a smart diagnostic scan tool, trip computer, obd meter gauge, logger, and real-time performance monitor. 2. This pocket-size main unit won't obstruct driver legroom and features unparalleled performance, intelligent display mode on phone or main unit screen, hacker-proof security, exceptional smart app support. 3. The free BD310 app is packed with outstanding features that make it easy to access, graph, log and export real-time engine data, like coolant temperature, voltage,speed, pressure,fuel consumption, brake/accelerate/smog emission levels etc. Plus, your car's data can be directly record or instantaneously uploaded to our engineer. 4. Support full 10 OBDII engine modules test, can read, clear DTCs from engine. And show live data, I/M readiness, VIN, convenient to clear error code, turn off Engine Check Light 5. It is also can to be a smart trip computer, very easy to manage the trip distance and driving habits data on your phone or tablet 6. Foreever free lifetime firmware and software updates from Windows PC 7. The BD310 Bluetooth obd2 scan tool is recommended install app for Android and IOS phone or tablet 8. There are never monthly subscription fees or data plans, in-app purchases free, not have hidden costs, or ads. 9. Free magnetic car holder as gift, it can work with BD310 main unit and phone. Bluetooth mode function: 1.Display vehicle engine data (VSS, RPM,ECT,TP,ITA,VPWR etc) 2.Diagnostic Scan 3.Monitoring Test 4.Trip Management 5.Performance Test 6.DTC Lookup 7.Flashlight 8.Battery Voltage 9.EVAP system OBD Diagnostic Mode: 1.Read code 2.Erase codes 3.I/M readiness 4.Data stream（data flow graphs) 5. Freeze frame 6. Evap system test, it wil 7. Vehicle information 8. Digital meter for live data (VSS, RPM,ECT,TP,ITA,VPWR etc)​​ Note: 1.Bluetooth mode and cable connect mode can free switching via side blueooth button, only support one work mode 2.Device will enter sleep mode if not have data communicate with vehicle. you can press side bluetooth button and activate it.​​ BD310 Usage 1, Get App from Seller (Search 'ANCEL' in Play Store or App Store) 2, Install app to the phone 3, Android phone: open bluetooth list choose 'Ancel' and match (for iphone, ignore this step please) 4, Click the button on the BD310 to switch to the bluetooth model 5, Open Ancel app, find the device and click connect Tips: Use as a phone car HUD head-up display: --- Choose one dashboard you want to show --- One time click the screen, a menu on the right conner show up --- Chose HUD mode --- Click the right conner (Show oposite as a Head-up display) APP Install Steps: 1. Android and IOS OS version requirements; compatible to above phone, tablet 2. Open phone or tablet browser by scaning the APP QR code, fo to Google play store or Apple Store download software, software app in no charge. 3. Install software app and allow access to mobile authorization when install 4. Compare named Bluetooth "Ancel BD310" and click connect 5. Enioys BD310 Scan tool, any problem, please feedback to us. Specification: Display: full 65k color 2.0 inch TFT Operating Temperature: 0 to 50℃ Storage Temperature: -20 to 70℃ External Power: 8.0 to 18.0V power provided via vehicle battery Size: 130mm x 61.5mm x 15.6mm Weight: 0.35kg Package list： 1* Ancel BD310 1* Magnetic car holder 1* USB cable 1* User Manual 1* Paper box