KONNWEI KW902 Mini BT 4.0 Wireless OBD-II Car Auto Diagnostic Scan Tools

Info:
Features:
Small size, compact structure. Plug and never unplug.
Stable wireless connection, Supports all OBDII protocols.
No wires or batteries (adapter is powered by the diagnosis size sockets).
Stop communication, wait half an hour, auto sleep.
Supports all 12V gasoline and diesel/hybrid electric vehicles since 1996.