2 relays optical fingerprint sensor module

{"cid":"91221578","title":"GROW R307S Cheap 1000 Capacity USB UART Optical Fingerprint Module Sensor Scanner For Door Access Control","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/37\/f5\/7b2373ef12f9beb23dfef7e594dd-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","Screen":"as Picture","Communication Interface":"RS232, USB","Fingerprint Capacity":"1000","Voltage":"DC 4.2-6.0 (or 3.3V)","Resolution":"500 Dpi","Image Capture Surface":"15*11 mm","Sensor Life":"100 Million Times","Antistatic Capacity":"15kv","Backlight":"Blue","Transport Package":"Standard Export Carton Package","Specification":"52*20*22 mm","Trademark":"GROW","Origin":"China","HS Code":"8471609000","Package Size":"13.00cm * 8.00cm * 9.00cm","Package Gross Weight":"0.100kg","Voice Service":"Without Voice Service","Clock":"Without Clock","Color":"as Picture","Samples":"US$ 8.6\/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.silkroadsl.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"}}

{"cid":"91185162","title":"21.5 Inch Industrial Tablet All In One Panel PC With High Brightness Touch Screen, Industrial Computer With RFID Fingerprint Camera","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c9\/5b\/785eec5c57be7eea55a628a76f26-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Sihovision","Model Number":"SC215","Minimum Order Quantity":"1 piece","Certification":"CE, FCC, RoHS","Place of Origin":"China(Mainland)","Payment Terms":"T\/T,Western Union,MoneyGram,Paypal","Product name":"21.5 inch panel pc","Products status":"Stock","CPU":"Celeron J4125","Operation System":"Windows 10","Memory":"4G DDR4","Storage":"128G SSD","Resolution":"1920*1080","Brightness":"1000nits","Material":"Aluminum Alloy","View Angle":"89\u00b0\/89\u00b0\/89\u00b0\/89\u00b0 (R\/L\/U\/D)","Touch Type":"10 Points Capacitive Touch","Type":"Panel PC","Working voltage":"12V","Warranty":"12months"}}

{"cid":"91223520","title":"490NOR00003 Ethernet ConneXium fiber optic cable","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/81\/97\/ce66d3b9e126f1bd21452a85a3c7-200x200-1.jpg","attrs":{"Price":"$99","Brand Name":"Schneider","Model Number":"490NOR00003","Minimum Order Quantity":"1","Delivery Time":"In stock\/1-3days","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"5000","Packaging Details":"New sealed"}}