KONNWEI KW903 BT 4.0 Wireless OBD-II Car Auto Diagnostic Scan Tools Car Detector Tester Scanner Automotive for IOS AndroidFeatures: 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 Used for all 12V gasoline and diesel/hybrid electric vehicles since 1996. Specifications: Brand: KONNWEI Model:KW903 Color: blackredorange(optional) MaterialABS BT version: BT 4.0 Language: default English Supply voltage: 12V Support protocols: ISO 9141, KWP2000SAE J1850 CAN J1850 VPW,J1850 PWM Support system: XP WIN7 WIN8 WIN10; Support Android IOS system Package size: 12 * 7.5 * 4cm Package weight: 100g Package List: 1 * Scan Tool 1 * User Manual