Details：
Material: The buttons and shells are precision machined by aluminum alloy precision code CNC equipment.
Button: 4 button.
Power supply: CR2032 batteries.
Dimensions: Length 130mm * Width 43mm * Thickness 13.5mm.
Process: silver oxide wire drawing, button polishing, character silk screen black.
Remote control distance: The unobstructed environment is about 10 meters.
Color: silver or black
Package list:
1 × Aluminum learning remote control (without battery)
Learning steps：
