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

The E2 series switch is a push button style kinetic energy switch that uses micro-energy acquisition technology without battery. It can be paired with controllers to work. If it is paired with EBELONG dimmer controller, you can turn on/off /dim the lights.
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
E2 series 86 type wireless kinetic switch

| Type | A2Type |
| Power supply | self-generated electricity |
| Modulation Type | FSK |
| Radio frequency | RF 433MHz |
| Number of keys | 2/4 key |
| Operate Range | up to 25m indoors (May vary depending on conditions) |
| lifetime | >100,000 button press |
| color | white/silver/golden |
| size | L86mm*W86*H15mm |
| Working temperature | -20℃~50℃ |
| material | PC |