Designed to quietly cool Xboxs, Playtations, Rokus, TVs, receivers, mondems, routers, DVRs, computers, and other audio video electronics. | Features a multi-speed controller to set the fan’s speed to optimal noise and airflow levels. | Dual-ball bearings have a lifespan of 50,000 hours and allows the fans to be laid flat or stand upright | The power adapter increases maximum fan speed and enables the fan to be powered through an AC outlet. | 120 x 120 x 25 mm ( 4.72 x 4.72 x 1 in. ) | Rated Voltage :12V | Airflow: 92.3 ±10%CFM | Rated Current: 0.45A | Speed: 3000 RPM | Power: less than 2W at slowest speed ; 4.4 W at full speed

1 Piece fan include fan grill and mounting screws & nuts | Rated Voltage:12V 0.18A; Speed: 2800RPM; Air flow: 32.8CFM; Noise:28dBA | Connecter: XH2.54-2Pin; Cable Length: 25cm Or 9.85 inches | Bearing type: Ball Bearing ; Life: 50000 hours | Dimension: 80mm(L) x 80mm(W) x 15mm(H) / 3.15x3.15x0.59 in. per fan

USB fans designed to cool various electronics and components, like TV box, Receiver, DVR, Router, Modem, Xbox, Playstation, Microcomputer, Survelllance recorder, Netgear and other Audio Video electronics | Rated Voltage:5V 0.2A; Speed: 1500RPM; Air flow: 56.7CFM; Noise:23dBA | Connecter: USB; Cable Length: 55cm Or 21 inches; Bearing type: Sleeve ; Life: 35000 hours | Dimension: 120mm(L) x 120mm(W) x 25mm(H) / 4.7x4.7x1 in. per fan | 1 Piece fan include fan Protective net, 4X Foot columnsand 4Xmounting screws & nuts