China 4-Channel Rolling Code Radio Transmitter T4332

1, Technical Characteristics
1.1 Frequency: 433.92MHZ
1.2 Code:rolling code
1.3 Channel: 1,2,3 or 4
1.4 Battery: 3VDC CR2032
1.5 working distance : 50M(indoor)
2, Application Method
2.1 number 1,2,3,4 on the button means channel 1,2,3,4. The indicator light of the Chosen channel will turn on when you press the button
2.2 You could control the device with the transmitter by pressing 1,2,3,4
Example:
Use button 1 to control the device
Method:
1, Press button 1, the light of channel 1 turns on.
Self-learning function (For some receivers)
STEP1, Use the transmitter that already has been learned
as old Transmitter, press button 1 and button 2 at the same
time
STEP2: then press button 2 to let the receiver enters into
the learning process.
STEP3: Press the same button on the new transmitter twice. The learning process done. In this way , new transmitter can be learned without pressing the learning button on the control board of receiver.