Common smart lighting connections include WiFi, Bluetooth Mesh, Zigbee and Matter.
No gateway needed, simple to install, good for a few devices, but may load the router with many devices.
Devices relay signals for more coverage, common in Tuya and Mijia ecosystems.
Requires a gateway but supports many stable devices, suitable for whole-home smart systems.
A cross-platform standard that works across ecosystems, a future trend.
First decide the mainstream ecosystem in your market (Tuya, Mijia, HomeKit), then choose the protocol. KINXZO supports custom smart dimming and control.