... time, support for 3 minutes, 5 minutes, 10 minutes, 15 minutes, 20 minutes, not Automatic shutdown System ... Restore feature, keypad lock time of 10 seconds, 30 seconds, 5 minutes, 10 ... , auto mode, auto-flip feature, support for 10 seconds, 20 seconds, 30 seconds, 45 seconds, ... selectable / font amplification fine design white or black 7inch E-book