1/2/4 Channel USB Smart Switch WiFi Relay Module +433MHZ Remote Control App
Supports WiFi network. Transportation Mode:Wifi. Mode of transport: Wifi. Wifi Work Frequency: 2.4G 802.11 b / g / n. Wifi Working Frequency:2.4G 802.11 b/g/n. OLED LED&RGB. Transmission mode: Wi-Fi communication.