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8 Channel USB/Wireless Relay Bluetooth Android Smartphone Control Kit (+Temperature sensor DS18B20)
US $59.95
/ piece
IOS/Android Smartphone control 8 Channel USB/Wireless 5V Timer Relay Module
US $49.00
/ piece
Tinysine TSRW430- 4 Channel Wifi Smartphone Controlled 30A Relay Board with Enclosure
US $89.96
/ piece