low noise below 40 decibels dc gear reduction stepper motor

{"cid":"91223640","title":"24BYJ48 DC Gear Reduction Stepper Motor with 5.625\u00b0 Step Angle Low Noise Below 40 Decibels and High Temperature Resistance","imgUrl":"https:\/\/img.chinax.com\/nimg\/a0\/92\/91907bcd670840d78329d6072ee0-200x200-1.jpg","attrs":{"Price":"0.5~6 USD\/PC","Brand Name":"XM-Motor","Model Number":"24BYJ48","Minimum Order Quantity":"500 pcs","Delivery Time":"20 to 30 days after receiving deposit","Certification":"ISO9001 ROHS","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"200,000 PCS\/month","Packaging Details":"Carton","Step Angle":"5.625\u00b0 \/64","Material":"Copper coil","Phase":"4 or 2","Diameter":"24mm","Resistance":"20~300\u03a9","Wire":"5","Name":"DC gear reduction stepper motor for AC swing louver","OEM":"Logo, wire, holes,parameters,gears etc","Warranty":"12 months","Sample time":"7 days","Inner package":"anti-static bag + foam fixed"}}