Working Frequency: 433MHz. - Transmitter Power: < 10mW. - Receiving Sensitivity: -108dBm. Setup Instructions Wireless Wall Switch Press the learning button on the receiver twice and wait for 3 seconds.
1/2/3 Gang Smart Light Switch Wireless Wall Touch Relay Receiver 433MHZ App
1/2/3/4 Gang Smart Light Switch Tuya Touch App Control NO Neutral Wire Required
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SONOFF WiFi Smart Light Switch Wireless Remote Control M5 1/2/3Gang for Alexa
Meross Smart Light Switch Module, DIY Wall Switch Module, Wireless Relay Smart Switch works with Apple HomeKit, Alexa, Google, Remote and Voice Control, No Hub Required, 2.4GHz, 10A, 2 Pack