7-port USB hub designed for Raspberry Pi, the main features include:USB 1.1 and 2.0 compatibleMultiple Transaction Translator (MTT)Has same PCB size with Raspberry PiStackable and Mountable via copper cylinders and screwsPlug and PlayConnect up to 7 high powered devices at once1 LED to indicate power supply7 LEDS to indicate individual port activityPer port over-current detection and protectionSupport both self-power and bus-power modes

Witty Pi is small extension board that can add realtime clock and power management to your Raspberry Pi. After installing Witty Pi on your Raspberry Pi, you get some amazing new features: You can properly turn on/off Raspberry Pi with single tap on the switch. Raspberry Pi and all its USB peripherals get fully power cut after shutdown. Raspberry Pi knows the correct time, even without accessing the Internet. You can schedule the startup/shutdown of your Raspberry Pi. You can even write a script to define complex ON/OFF sequence. Witty Pi supports Raspberry Pi model A+, B+ and Raspberry 2.