4 Channel Wireless Four Button RF Remote Control Transceiver Module 1uF You don't need to worry

You don't need to worry about the power adapter because it'll function well with your old 5V 3A power supply adapter

Material: Aluminium Bore Diameter d1 5mm Bore Diameter d2 8mm Torsional Stiffness Zero  backlash

Copper Traces Output 1 W Diameter 18mm Colour White Applications

On long press

It's a CD017 decade counter IC in DIP package

4 Channel Wireless Four Button RF Remote Control Transceiver Module 1uF You don't need to worryThe 4 Channel Wireless Four Button RF Remote Control Transmitter Receiver Module with Non Locking mode can be composed of a fixed code four radio receiver circuits, remote control of four four bit data output code corresponding to the module, you can easily make up a wireless remote control receiver circuit. They are widely applied in the majority home electronics enthusiasts, industrial remote control electronic product design and development can be