Operating Voltage: 9V-30V Frequency: 300MHz - 868MHz. Distance: 30-50 meters. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: White Material: Plastic Specification: with 3 Remote Control Package Contents: 1* Control Switch Kit 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.