wire smart switch without neutral

Product basic parameters

Product Name: Smart Light Switch

National standard: EU/UK Standard
Input voltage: 100-240V AC 50/60Hz
Button: 3 gang
Communication method: ZigBee
Wiring: Single L line
Maximum load power: 5W~500W/gang
Maximum current: 16A
Wireless power consumption: ≤0.3W
Control method: AI voice/mobile APP/button control
Panel material: Curved tempered glass + metal frame
Shell material: PC flame retardant material
Color: Mirror Silver
Product size: 86*86*34mm
APP: Smart Life, Tuya Smart