DescriptionThis item is a wireless controller set, which including a wireless controller module and a remote control.It makes the radio control access to various works and fields.Features- Power: 4.5-7V.- Quiescent Current (mA): 4.5 mA.- Modulation: AM (OOK).- Operating Temperature: -10C to +70 C.- Receiver sensitivity (dBm):-105 DB.- Operating range: up to 300m (984ft).- RF radio: 433MHz.- Channels: 4.- Encoding: Encoding pad (fixed code).- Pin Assignment:D0: Output 0,D1: Output 1,D2: Output 2,D3: Output 3,GND: Ground,VT: Switching.- Working type: Jog(Press and hold button->ON, Release->OFF).- Dimensions: 4.5 * 2cm / 1.8 * 0.8 inc.