Gdstime 120mm 12cm 5 inches 5V USB Power Cooling Fan for TV Box Router Cooler Package include: 1X fan 2X grill 4X Screw M4X50 Fan size: 120x120x25mm(L*W*H); Rated Voltage: 5 V ,Rate Current: 0.2A Rated Speed: 1500 RPM; Air flow: 69 CFM ; Noise: 21 dBA Connecter:USB, Cable Length:30cm Use: the fans use for TV BOX or Router cooling