1. certificate: Rohs, CE, ISO9001, TUV, UL, FCC, CCC 2. SIZE: 70*70* ... : 1. certificate: Rohs, CE, ISO9001, TUV, UL, FCC, CCC2. SIZE: 70*70*15mm3. bearing:sleeve. balls4. volt: 12V DC motoe fan DescriptionModel NO ... , Temp. auto-start, water proofMeterialPBT /PCPackingGIFT BOX/Industrial packing 12V DC ventilation fan 70*70mm