no battery electronic swine ear tags

{"cid":"91176782","title":"Professional Swine Ear Tags - ISO Compliant Lightweight Livestock ID Solution for Pig Farming Management","imgUrl":"https:\/\/img.chinax.com\/nimg\/f4\/db\/5e457ed841875ec18b9755cfde2f-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"FOFIA","Model Number":"ET907","Minimum Order Quantity":"1 pc","Delivery Time":"1-7 work days upon payment","Place of Origin":"China","Certification":"ICAR","Packaging Details":"200 pcs\/ box","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"20000 pcs \/ day","Material":"TPU","Weight":"6.8g","Guarantee":">5 Years","Color":"Yellow, White, Orange, Green, Blue","Certificate":"ICAR","Frequency":"134.2KHz","Name":"Cattle Ear Tags, Cow Ear Tags, Sheep Ear Tags, Swine Ear Tags","Reading distance":"17cm Using Our PT290 Reader"}}

{"cid":"91194262","title":"USDA Integra MINI Swine Ear Tags , RFID Electronic Tag With Buttons Yellow 30mm*13mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/c8\/0b\/027be8208a6de486c5031f64206a-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"LAIPSON","Model Number":"VM401&HLF402-02","Minimum Order Quantity":"1000sets","Delivery Time":"5-7 working days","Certification":"ISO9001, ISO14001, SGS, CMA","Place of Origin":"LUOYANG, CHINA","Payment Terms":"T\/T, L\/C, Western Union, VISA, MASTER CARD","Supply Ability":"30000sets \/month","Packaging Details":"100pcs\/bag, 2000sets\/carton","Material":"TPU","Color":"yellow, green, red\/customized","Size (female tag)":"30mm*13mm","Size(male tag)":"28mm*22mm","Frequency":"134.2KHz","Protocol":"ISO11784\/5","Reading range":"15~20cm","Temperature resistance":"-40\u00b0C~60\u00b0C"}}