Smart Switch Module SPEC: 802.11b/g/n, 2.4GHz Wi-Fi, Bluetooth; 100-250V~, 50/60Hz, 6A Resistive, 1.5A Motor, 150W LED; 24-30V 6A; 30-48V 1.5A; 48-60V 1A; 44.7*40.7*16.1mm; Neutral wire required. FEATURE: Roller Shutter Control(Interlock mode), Control 2 devices seperately(switch mode); Matter certified; works with Apple Home, Alexa, Google Assistant, and Samsung SmartThings; Energy Monitoring(NOT applicable with DC input); Zero-crossing protection; Bluetooth Direct Control; TSS(TP-Link Simple Setup); Voice Control; Remote Control; Schedule; Timer.