Frequency:433.92MHz Code:Rolling code Buttons:2 Programming :programming to the receiver (Due to different product batches, the appearance , which does not affect the use) Colour:Black Material:Plastic Package Contents: 2x Remote Control 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.