handheld cable tester with long lasting batteries

{"cid":"91170428","title":"VFL Pen Type Visual Fault Locator Fiber Optic Cable Tester Red Laser Pen","imgUrl":"https:\/\/img.chinax.com\/nimg\/b2\/3a\/f802f13b97ad8fe897f517491d7e-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"KCO, Kocent Optec Limited","Model Number":"KCO-VFL","Minimum Order Quantity":"Negotiation","Delivery Time":"2~5 days after get payment","Certification":"ISO9001","Place of Origin":"China","Payment Terms":"T\/T, Western Union, L\/C","Supply Ability":"200,000 pcs\/ month","Packaging Details":"paper bag, carton box","P\/N":"KCO-VFL","Testing length":"3~50km","Output power":"5~50mW","Testing Fiber":"Single mode SM, Multimode MM","Weight":"160g","Size":"24x170mm"}}