Learning: Press the learning button, the indicator flashes and turns off. Release the button, then press any button on the remote transmitter. The indicator flashes three times, indicating learning is successful. (The number of times to press the learning button depends on the desired working mode.) Clearing: Press and hold the learning button for about 8 seconds. The indicator light flashes several times and then turns off. After releasing, press any remote button. If the relay does not respond, the code has been cleared successfully. About Receiver: Model No: -C211008 Quiescent current: Less than 6mA Working temperature: -40°C to +80°C Receiver sensitivity: More than -105dBm Working frequency: 433MHz Output voltage: Contact output and voltage output Max load current: 10A About Working Modes: Working mode is changed by pressing the learning button. Momentary: Press the learning button 1 time. Relay: Press and hold to turn on; release to turn off. Toggle: Press the learning button 2 times. Relay: Press to turn on; press the same button again to turn off. Latched: Press the learning button 3 times. Relay: Press to turn on; press another button to turn off. 2 Channel Momentary + 2 Channel Latched: Press the learning button 4 times. 2 Channel Momentary + 2 Channel Toggle: Press the learning button 5 times. 2 Channel Toggle + 2 Channel Latched: Press the learning button 6 times. Working voltage: DC 12V–36V Color: White Material: Plastic Package Contents: 1 x Remote Controller Only the above package content is included; other items are not included. Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement error is permitted within +/- 1-3 cm.