iCar3 Bluetooth OBD Scanner iCar 3 elm327 Diagnostic Interface code scanner with free Shipping OBD II ProtocolsProduct Parameter: *Supply voltage(VDD): 12V *Work temperature range: -20 ~ +70 *Wireless Rate: IEEE 802.11n / IEEE 802.11g / IEEE 802.11b *Channle: 1-14 *Frequency range: 2.4-2.4835G *Send Power:15~18DBM *Interface: UART,GPIO *Antenna Type: External antenna *Distance:100~300m(different situation) Feature: 1. Small size, compact structure. Plug and never unplug 2. Stable wireless connection 3. No wires or batteries (adapter is powered by the diagnosis size sockets) 4. Stop communication, wait half an hour, auto sleep 5. Supports all OBDII protocols 6. The adapter uses the fastest and most reliable ARM chips. Function: 1. Read, erase and display code descriptions problems. 2. Measure the fuel consumption. 3. Display real-time operating performance of the car, such as *momentum *vehicle speed *oil pressure *coolant temperature *engine load *intake manifold pressure *t