Frequency: 433MHz Code Type: Dynamic rolling code for enhanced security. Buttons: 2 functional buttons for easy operation. Range: Effective control range of 30-100 meters in open space. Due to different batches, there may be differences in product appearance and printed text, which not affect use Color: Black Material: ABS Package Contents: 5 x 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.