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fire smoke alarm and so on
Encoding Chip: EV1527
Press and hold the button 4 on the transmitter: The speed of the motor or linear actuator will gradually speed up
Key Features Wireless control
such as model CQ-3-2 (50 Meter / 150 feet range)
Best 12 Buttons Long Range RF Wireless Remote Control Radio Transmitter (Model 0021078) add Limit Switch fire smoke alarm and soFeature: This transmitter is a super long range remote control. It is developed by LORA (Long Range) wireless communication technology, so it has ultra long working distance, ultra high receiving sensitivity, superior anti interference ability, and smaller power consumption. It uses a transceiver chip to implement bidirectional communication. Its ideal working distance is up to 5 kilometers, which is an excellent device for remote control and long
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