Note: Due to different production batches, labeling is random , don't accept the specified. Colour:black Material:plastic compatible withBMW Seat Occupancy Sensor Emulator Support compatible withBMW series (1997-2010) Support models: 1997-2003: E31, E36, E38, E39, E46, E53, etc. 2003-2007: E60, E63, E65,E87, E90, etc. 2007-2010: E60, E63, E64, E65, E70, E71, E81, E87, E90, E92, E93, etc. 1=ON 2=ON compatible withBMW cars after 2007, put 1 ON, and 2 ON. Always insert the safety belt. (No matter the seat is occupied or not!) After this, your car will not alarm compatible withseat occupy sensor problem and will not alarm compatible withinserting seat belt. 1=ON 2=OFF compatible withold BMW cars before 2007, put 1 ON, and 2 OFF. Always insert the safety belt. (No matter the seat is occupied or not!) After this, your car will not alarm compatible withseat occupy sensor problem and will not alarm compatible withinserting seat belt. Package Contents: 1 x Emulator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.