2 relays optical fingerprint sensor module

{"cid":"91221578","title":"GROW KS220-L+R503 DC30-75V Fingerprint Control Board 2 Relays Admin\/User Funtion Self-locking\/Jog\/Ignition Mode","imgUrl":"https:\/\/img.ismap.com\/nimg\/14\/f5\/8a02f9209a30ebbe076a604de49e-200x200-1.jpg","attrs":{"Minimum Order Quantity":"1","Delivery Time":"Peak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays","Place of Origin":"China","Certification":"CE","Packaging Details":"Carton","Payment Terms":"T\/T,PayPal","Supply Ability":"5000","Model NO.":"KS220-L+R503","Screen":"as Picture","Communication Interface":"RS232","Fingerprint Capacity":"200","Power Supply":"DC 30-75V","Stand-by Current for Control Board":"3.5mA","Output":"Relay","Transport Package":"Standard Export Carton Package","Specification":"Power supply: DC 30-75V","Trademark":"GROW","Origin":"China","HS Code":"8471609000","Package Size":"13.00cm * 8.00cm * 9.00cm","Package Gross Weight":"0.200kg","Voice Service":"Without Voice Service","Clock":"Without Clock","Color":"as Picture","Samples":"US$ 21\/Piece 1 Piece(Min.Order) |","Customization":"Available | Customized Request","Shipping Cost":"about shipping cost and estimated delivery time.","Payment Method":"Initial Payment Full Payment","Currency":"US$","Return&refunds":"You can apply for a refund up to 30 days after receipt of the products."}}

{"cid":"91149081","title":"Network Fingerprint Security System Time Attendance With ABS Enclosure","imgUrl":"https:\/\/img.ismap.com\/nimg\/ab\/b9\/865650c6ba93b319693394f2f239-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Junson","Model Number":"JS-F609","Minimum Order Quantity":"1pcs","Delivery Time":"1-7 working days after received your payment","Certification":"CE\/ROHS\/FCC\/SGS","Place of Origin":"shenzhen","Payment Terms":"Western Union, T\/T","Supply Ability":"1000\/week","Packaging Details":"Packed in carton\/10 pcs\/L190 \u00d7 W80\u00d7 D33 (mm)","Way of Communication":"TCP\/IP, RS485, USB","Weight":"0.8kg","Operating Temperature":"20%RH-60%RH","Type":"Fingerprint \/ card \/ pin","Usage":"Access Controller, Attendance Machine, Access Ma","Physical":"ABS Enclosure"}}