Features: Automatically turns into sleep mode when not in use. It is no longer a cloned chip solution and boost the speed, for quicker and smoother diagnosis experience. No toggle switch is needed to access the OBD2 network. It supports most OBD2 standard networks. Over-voltage, over-current, over-temperature and battery drain for protection, ensure wireless communication security. Works perfectly with most for cars. Specifications: Material:ABS Size:Approx.8.5x3.5cm/3.34x1.37inches Color:As Picture Shown Type: Bluetooth-compatible 3.0/Bluetooth-compatible 4.0/WIFI Voltage: DC12 (V) Working temperature: -20-70 () Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Diagnostic Instrument