433Mhz Universal Wireless Remote Control Switch DC 12V 10A 2CH Relay Receiver Module with RF Transmitter 433 Mhz Remote Controls

From:
https://www.aliexpress.com/store/prod...

Operation instructions

Deleting existing remote controls data:

Pressing 8 times the learning key button on the receiver board,
the LED indicator on receiver board will turn off then turn on;
the existing remote controls are deleted successfully.

Momentary Mode:

1)Press once button (the learning key on the receiver board),
Led( on the receiver board) turn off. LED is off now, before it is bright.
2)Press "A button" , then press "B button", Led( on the receiver board) turn on, informs about setting "Momentary mode" successfully .

Toggle Mode:

1)Pressing 2 times button (the learning key on the receiver board),
Led( on the receiver board) turn off. LED is off now, before it is bright.
2)Press "A button" , then press "B button", Led( on the receiver board) turn on, informs about setting "Toggle mode" successfully .

Toggle Mode 2:

1)Pressing 3 times button (the learning key on the receiver board),
Led( on the receiver board) turn off. LED is off now, before it is bright.
2)Press "A button" , then press "B button", Led( on the receiver board) turn on, informs about setting "Toggle mode 2" successfully .


NOTES:

1. Please do not charged operation, you should shut off the power, and operation after testing and correct electricity.
2. Please promptly change battery when remote control voltage is insufficient, (when the battery voltage is insufficient, generally get close transmitting ).
3. Please pay attention to avoid metal mask,large equipment ,strong interference electromagnetic filed when using wireless RF products,and avoid too short distance between the remote control and receiver board.
4. Please avoid abnormal using of the product.Abnormal using will reduce product performance and life, when seriously it may damage the products and even make danger for your safe.

What's More: The system can store for 25 pcs of remotes , if the remote get more than 25 pcs , the initial remote control will be lost .