Fully Compliant with USB 1.1 Specification
Four independent fully functioning downstream ports
Support transfer rate up to 12Mbps.
Individual Port Over current Protection
Power status indicator for each port

Connectors
Upstream : 1 x USB Type-A Male
Downstream : 4 x USB Type-A Female
Power : 1 x DC Jack

LEDs
Power : 1 x Green on the top

USB Spec : USB 1.1
Number of USB Port : 4
Power Supply : Self / Bus
Protection : Polyfuse
Driver Support : Windows 98, 98SE, ME, 2000, Whistler
Stackable : Yes
Humidity : 0 〜 80% RH, NC
Enclosure : Plastic
Dimensions ( L x W x H ) : 64 x 53.9 x 27.3 mm
Net Weight : 53 g