Aopen Kb Kb-828 Black & Silver PS2 Computer keyboard

Key Layout: 104 keys
Life Cycle: 20 million
Special Designed Key: Built-in key lock function
Keyboard Certification: FCC, CE, C-Tick
Keyboard Connector: PS/2
Travel Distance: 3.8 (+/- 0.2) mm
Contact Bounce: 11 ms (max.)
Contact Resistance: 500 Ohm (max.)
Operating Force: 55 (+/- 12) gm
Dimensions: Length : 461 mm (18.15 inch)
Input Voltage & Current: Voltage : 5V DC max.
Current : 25 mA
Humidity: Operating : 40% ~ 90% RH
Non-operating : 65% ~ 95% RH
Environmental Temperature: Operating : 0 ~ 50 degree C
Storage Temperature : -20 ~ 60 degree C
Dimensions: Width : 168 mm (6.61 inch)
Height : 20.5 mm (0.81 inch)
Interface Protocal: PS/2
Certifications (Mouse): FCC, CE, C-Tick
Current Consumption: 20 mA, max@5V
Cable Length: 183 cm (6 ft)
Switch Life (Mouse): 1,000,000 cycles
Mass Weight (with cable and standard ball): 150 g
Mechanical Life: 300 miles
Mouse Resolution: 520 dpi
Button: 3 buttons (2 in Top, 1 in wheel)