Meters -433MHz 4 Channel Wireless Receiver Module + 4 Key RF Remote Control Highlights generic brand 433MHz 4 Channel Wireless Receiver Module + 4 Key RF Remote Control Description: Operating voltage: 4.5-5.5V (port of input) VCC: connect with positive power, GND: connect with negative power Output Way: the default module output level output low level, after pressing the remote control, it will output high level, OUT1-OUT4 are respectively 4-channel output ports Maximum output current: each channel maximum output current is within 10mA Quiescent operating current: 3mA Receiver panel size: 26 x 23 x 12 mm Receiving distance: 15-50m Mode operation: self-locking, inching, latching modes can be set freely Operation indication: D1 (learning light and receiving signal light) Output level: output high level is equal to or less than VCC voltage specification: Learning method: A. After power on, press and hold the learning button, the learning light flashes once, release it, then press the button on the remote control that must be learned and hold it down. the learning indicator does not flash after flashing 3 times, and the 1st channel is completed. B. After power on, press and hold the learning button, the learning indicator flashes 2 times, release it, then press and hold the remote control button to learn, the indicator learning device does not flash after 3 flashes. The second road is finished. C. After power on, press and hold the learning button, the learning light flashes three times, release it, then press and hold the remote control button to learn, the light d learning does not flash after 3 flashes, and the third way is completed. D. After power on, press and hold the learning button, the learning light flashes 4 times, release it, then press the button on the remote control that needs to be learned. After the learning indicator flashes 3 times, it does not flash, and the 4th channel is completed. E, erasing method: in the power-off state, press and hold the learning button, then power on, learning indicator light flashing 4 times, release the button, indicating that the module is erasing successfully. Self-locking, Jog, Interlocking, Interlocking function switching operation: In the power-off state, press and hold the learning button, then turn on the power. The learning light flashes once and releases the key. At this time, it is set as the latch output. (Press the button on the remote control, the corresponding channel of the module has an output, the other channels are all closed, no output) Self-locking: In the power-off state, press the learning button and hold- , then turn on the power. The learning light flashes 2 times, release the button and set it as self-locking latched output. (Press the remote control button, the corresponding output channel of the module does not affect the state of other channels, release the remote control button, the output state to hold) Jog: In the power-on state power off, press and hold the learning key, then turn on the power, the learning light flashes 3 times, release the key, this time is set as the pulse output. (Press the remote control button, the corresponding channel of the module output, release the remote control button, the output stops) Package includes: 1 piece wireless receiver module 1 piece remote control Note: The color may be slightly different due to different monitor. The above size is measured by hand, please allow slight difference. THANKS !