how to reset digital odometer

{"cid":"90044873","title":"HD Digital TFT Color Digimaster 3 Original Odometer Mileage Correction Equipment","imgUrl":"https:\/\/img.chinax.com\/nimg\/1e\/12\/a38b0c9c81748e5b12cdfee05972-200x200-1.jpg","attrs":{"Price":"Factory price","Brand Name":"Hippotech","Minimum Order Quantity":"1 set","Delivery Time":"Within 1-2 working days upon received payment","Place of Origin":"China","Packaging Details":"Standard carton box","Payment Terms":"T\/T, MoneyGram, Paypal","Supply Ability":"200sets\/week"}}

{"cid":"91197292","title":"Tachograph Programmer Odometer Reset CD400 Mileage Correction Tool","imgUrl":"https:\/\/img.chinax.com\/nimg\/5a\/34\/5a330c77cb7c6e96465968626c1c-200x200-1.jpg","attrs":{"Price":"Contact me to get latest price","Brand Name":"Heavy Duty Truck Mileage Correction Tool","Model Number":"CD400","Minimum Order Quantity":"1 set","Delivery Time":"3-5working days","Place of Origin":"CHINA","Payment Terms":"T\/T, Western Union, MoneyGram,PAYPAL","Supply Ability":"10sets per week","Packaging Details":"Normal carton","Function":"Diesel Odometer Adjusting Meter Tool","Quality":"High and new","Weight":"3KG","Material":"PVC+Metal","Suitable":"TACHO DASH BROAD","Model":"CD400"}}