Smart wall switch x 8, no neutral required

Brand new smart wall switch x 8. Smart WiFi/Zigbee Push Button Switche NO Neutral Wire &Neutral Wire US AU Physical Interruptor Work with Tuya Google Home Alexa. SPECIFICATION --Name:Smart Life WiFi/Zigbee Switch --Specifications:Fully compatible for US AU --Power supply mode:NO Neutral Wire & Neutral Wire --Encryption type:WEP/AES/TKIP --Rated voltage:AC100V-250V(50/60Hz) --Static power loss ≤0.5W --Load power:INC600W(Max) LEDISOW(Max) --Working environment: -20℃~75℃ --Working humidity:<95% --Controlling distance:no distance limitation --Working frequency:2.412-2.484MHZ --Product size:116*75*35MM --Wireless security support:WEP/WPA-PSK/PA2-PSK