Duplicate Your Existing Remote Controllers Such as, Vehicle Central Locking Systems, Garage Doors Access Control System, Electronic Gates, Electrical Appliances control, Car Sunroofs Control, Heating Systems Control, Light Switch, etc. Notes: This item is suitable for home use. The scroll code can also be copied Working voltage: DC3V Working current: 12mA Operating frequency: 433MHz mission power: 10mW Reference distance: 50 meters (open and undisturbed) Frequency deviation: 0.2MHz mission rate: 50-60KHZ Encoding method: 1527 learning code Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:Black Material:Aviation aluminum + brass Package Contents: 10 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.