Most:
- ON / OFF button
- Overvoltage protection 10 A
For the test I used all taken together:
Catch 220 V:
- Laptop
- Tablet
- External battery
On the USB ports:
- Two mobile phones
Loading too fast for each device that had I loaded separately into a wall outlet, more importantly no overheating of the strip this one remained at room temperature .....
Length of the extension cable out jacks, 1m70
Its shape seem surprising that little is handy for asking in grappling with easy access, 2 year warranty .......
Model I define as this one office Connectland BS-S9P321-EZ-GO Barrette travel sector + 2 USB ports is more convenient for traveling