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"usb switch box"
AJMRTC EWB4CHD1 EWelink WiFi Bluetooth Smart Switch Receiver, AC85250V & USB 5V DualPower 4Channel Dry Contact Relay Module, APP OnOff Remote Control for Home Automation & Industrial DIY Project
Limited time offer, ends 11/25
$19.67
Free Shipping
2pcs DC 5V-30V Adjustable Time Delay Relay Module, Trigger Delay Conduction Control Switch with Micro USB Power Supply
Limited time offer, ends 11/25
$14.49
Free Shipping
AJMRTC HID Drive-Free USB 1 Channel 5V Relay Module, One-Channel USB Relay Switch, Control Relay ON/OFF Directly via Computer, No Extra Driver Needed for PC Automation Control
Limited time offer, ends 11/25
$12.44
Free Shipping
AJMRTC 2X 2M Blue LED External PC Power Switch Button with Extension Cable, Desktop Computer On/Off Startup Switch for Test Bench, PC Case Mod & Hardware Debugging
Limited time offer, ends 11/25
$12.94
Free Shipping
