1. Free update. No subscription, no annual fee. 2. Features a USB smart dongle with all module licenses stored on the dongle. 3. Master version supports saving data in bin format without encryption. 4. Operates offline; VR function requires online connection. Read/Write VR with user VR account. 5. Integrated with Scanmatik2. Helpdesk provides free Damaos for tuner (compatible with WinOLS damaso file, WinOLS Damaos and MAP package). SM2 PRO newly supports additional ECU types: MED/EDC17 Read and Write without opening the shell. Supported models include: Simos 12.1, 12.2 Simos PCR2.1 GPEC2, GPEC2A, GPEC4, GPEC4LM Simple 3-point PCB connection via holes; connection possible without removing gel. SID208 MB SID307, SID310 Name: ECU Programmer Dongle Applicable models: SIM2K-240, SIM2K-241, SIM2K-250, SIM2K-251, SIM2K-260, SIM2K-305, MT86 LR SID208 SID307, SID309, SID310 SDI21.x E6T83XXX, E6T32xxx Transtron SH72544R Transtron L4.3 Hino EDC7UC31 Greatwall DCM6.2AP 8GMK/8GML, MJ9DF, 10GF FAL MJ8DF/8F2, 8GMB/8GMC/8GMF/8GMW/8GSF/8GSW MSD80, MSV80, MSD81, MSD85.0/MSD85.4, MSD85.1/MSD85.3, MSD87.1/MSD87.2, MSV90 Material: ABS Color: Green Package Contents: 2 x ECU Programmer Dongle Note: Light reflection and different displays may cause slight color variation between the image and the actual item. Measurement error allowance is +/- 1-3 cm.