1>push panel clcok; 2>LED backlight blue; 3>Display time,temperature,date,timer 4>OEM Logo; 5>competitive ... price; FUNCTIONS:4-PORT USB HUB. Blue LED backlight. Display time, temperature, date, timer, alarm.1) USB ... the panel: time, date, temperature, timer, alarm displayed by turn.3) Blue LED backlight4) 12/24 hours format selection5) C/F temperature ...