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 4 ... : time, date, temperature, timer, alarm displayed by turn.3) Blue LED backlight4) 12/24 hours format selection5) C/F temperature display6 ...