Connectors
• Upstream Port: 1x USB Type-A Male
• Downstream Port: 4x USB Type-A Female
Power (Optional): 1x DC 5V 

Operations
• LEDs: 1 (Green)
• USB Specification: 2.0 / 1.1 For High / Full / Low Speed

Environment
• Operating Temperature: 0-40°C
• Storage Temperature: -20-60°C
• Humidity: 0-80% RH, Noncondensing

Physical
• Housing: Plastic
• Cable Length: 40 feet (12m)
• Weight: 1.4 lb. (0.63 kg)
• Dimensions (L x W x H): 3.2 x 1.6 x 0.7 in. (8.2 x 4.1 x 1.7cm)