2.4G Wireless 2 Players Encoder PCB Board is generally used in PC/computer games, multiplayer games, Android smart devices, set boxes game consoles, etc. Power on without receiver: If the motherboard is powered on but not connected to the receiver, the red and green lights flash slowly. After flashing for several tens of seconds, it enters sleep mode. Use the MODE/ button to wake up the motherboard. Indicator lights and board identity: The two motherboards are the same in design. The one powered on first has the P1 indicator light green, and the second PCB motherboard has the P2 indicator light red. When the battery is low, the indicator lights will alarm and the battery needs to be replaced. Power requirements and cautions: The motherboard usually uses two 5V/7V batteries with 3V power. It is not recommended to use a 3.7V lithium battery, as longterm use may burn out the main control chip. If you want to use a rechargeable version, you need to a rechargeable one. Applications and compatibility: This 2.4G wireless, twoplayer encoder PCB board is suitable for PC/computer games, multiplayer gaming setups, Android smart devices, set boxes game consoles, and related systems requiring twoplayer wireless input. Use scenarios: Local twoplayer gaming on a PC or Androidbased gaming setup, using wireless inputs for a clean, cord experience. Integration with set boxes or game consoles to enable twoplayer play on TVs. DIY arcade or mini cabinet projects that require a reliable 2player wireless encoder for shared controls.