optical tracking rotary encoder wheel module

{"cid":"91222053","title":"Rotary Encoder Wheel Module with Optical Tracking and Knob","imgUrl":"https:\/\/img.chinax.com\/nimg\/e4\/97\/0137774d8a9751eee79c322cee90-200x200-1.jpg","attrs":{"Model NO.":"ES16A00V01","Readout Mode":"Contact","Operating System":"Contact Brush Type","Signal Output":"Voltage Output","Axle Sleeve Type":"Empty Type","Installation Form":"Axle Sleeve Type","Customized":"Support Customization","Factory Attributes":"ODM","Transport Package":"Carton","Specification":"16mm","Trademark":"TAOWAVES","Origin":"China","Customization":"Available","Type":"Rotary Encoder","Working Principle":"Absolute"}}

{"cid":"91189600","title":"8mm Dia Shaft Rotary Encoder Module , Optical Encoder Module CW Direction","imgUrl":"https:\/\/img.chinax.com\/nimg\/c0\/99\/102c6a360ba04619efac67dc2299-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"HENGXIANG","Model Number":"Z48-J optical encoder module","Minimum Order Quantity":"1 piece to start order","Delivery Time":"3-5 working days for sample order, 7-15 working days for mass order","Certification":"CE,ISO9001","Place of Origin":"Shanghai,China","Payment Terms":"D\/A, D\/P, T\/T, Western Union, Credit Card, Master Card, Paypal, etc","Supply Ability":"100K pieces per year","Packaging Details":"each 1 piece was packed into single carton box","Keywords":"Rotary encoder module","Shaft diameter":"8mm","Resolution":"50ppr(Min) to 2500ppr(Max)","Optional supply voltage":"DC5V & DC8-30V","Consumption current":"100mA MAX","Wire length":"250mm (it can be added as requirement)","Weight":"about 60g (with package)","Insulation strength":"AC500V 60s"}}

{"cid":"91216651","title":"FHD 30X EO Sensor And 905nm Laser Rangefinder Electro Optical Surveillance System Fixed-Wing","imgUrl":"https:\/\/img.chinax.com\/nimg\/c0\/f7\/ac4d94564bd4df4141898bd78996-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"HONPHO","Model Number":"TS01A","Minimum Order Quantity":"1","Certification":"ISO9001:2015\/GB\/T 19001-2016","Place of Origin":"China","Supply Ability":"30pcs per Month","Packaging Details":"Air packing case","Product name":"Electro Optical Surveillance System","Dimension":"\u2264\u03a6120mm\u00d7171mm","Weight":"\u2264810g","Voltage":"12V","Power consumption":"Average:\u226415W, Peak: \u226430W","Working temperature":"-20~60\u00b0"}}