Correct the channels by dip switch. It's standard Zigbee green power 3.0 protocol, it works with Tuya Zigbee gateway too.

The Q7 round switch is a self-powered wireless switch that requires no batteries. It has a built-in energy harvesting module that converts mechanical energy from pressing into electrical energy, which powers the RF chip. The switch can be used together with the Ebelong controller, or serve as a doorbell transmitter or a trigger button in security applications.
Completely wireless. Powered by kinetic energy generated from simply pressing the switch.
Mount the switch with screws or adhesive tape.
Adapt to European standard switch size.
Zigbee green power protocol is directly connected to Tuya gateway.
Examples Of Use Cases
Q7 s eries wireless kinetic big button

| Product Model | Q7 |
| Operating Type | Momentary |
| Power Supply | Self-powered |
| Modulation System | FSK |
| Radio Frequency | RF 433MHz |
| Communication Rate | 250K |
| Number of Buttons | 1 |
| Operate Range | 80m Outdoor, 25m Indoor |
| Lifespan | ≥100,000 times |
| Case Color | White + Black |
| Physical Size | 61mm*61mm*H16mm |
| Operating Temperature | -20℃~55℃ |
| Storage Temperature | -20℃~65℃ |
| Working Humidity | 0% – 60%(No condensation) |
| Storage Humidity | 0% – 70%(No condensation) |
| shell material | PC |