1.Mechanical keyboard with backligt 2.color lights 3.Keys:104 4.Key Stroke:3.6±0.3mm 5.Key stroke life??5000 million times; 6.Pressure: 55±10g; 7.Working voltage?+5V±0.25V 8.Working current?400mA MAX 9.Cable Length: 1.5M 10.29keys anti-ghosting ,Eight luminous modes