Universal 4-button Copy Style Remote Controller 315MHZ

Universal 4-button Copy Style Remote Controller

1. Working voltage: DC 3V, 1 2032 button battery

2. Number of keys: 4

3. Transmission rate: less than 20mA

4. Modulation method: ASK

5. Remote control distance: about 25 meters in a non-interference environment

6. Rubber buttons, soft, non-slip and silent

7. Hidden LED lights, the operating status is well known

8. Adopt SA901B main control chip, support online programming, can burn repeatedly, built-in EEPROM, can copy the same frequency of other ordinary remote control, can clear the code at any time, convenient and fast speed

9. Can be used in automobile remote control, lighting control, smart home remote control and other fields

10. Size: 60x37.41.4mm

11. Weight: 25g

Function:

1. Copy code operation: If the remote control has a code, you need to clear the code to correct the code. Code matching operation: press the single button of the copied remote control and the copied remote control at the same time, until the indicator light of the copied remote control changes from fast flashing to steady on, then release the two remote control keys, the code matching is successful . Other keys are also operated in this way until all keys are copied

2. Clear code operation: press and hold the lock and unlock buttons of the copy remote control at the same time until the indicator light flashes 3 times, then short press the unlock button 3 times. The indicator light keeps flashing, indicating that the code is cleared successfully (the unlock button has been pressed during this process)

3. Recovery code operation: press and hold the mute button and ring button of the copy remote control at the same time, until the indicator light flashes, you can recover the remote control password that was cleared before

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