Frame Size:25*25*10mm voltage:5V\12V Bearing type:sleeve bearing/ball bearing Speed:8000rpm/10000rpm/13000rpm Noise:20dBA/24dBA/28dBA Safety Approvals:CE、TUV、UL、CUL Electric strength:1mAmax at 1000VAC for 1 min between lead wire and frame. Insulation resistance:10M ohm between lead wire and frame(DC 500V) Life expectancy(ball bearing):50,000hrs rain at 25 degree C relative humidity 65%+/-20% Life expectancy(sleeve bearing):＞30,000hrs rain at 25 degree C relative humidity 65%+/-20% Operation temperature:-10 to 70℃ Storage temperature:-40 to 75℃