Welcome to our store！</br>1、Easy identification of fiber breakpoints, poor connectors, bending or cracking. 2、It features a red design, a universal connector and an accurate measurement. It locates fibers, finds faults, verify continuity and polarity. 3、It is wide used in telecommunications engineering and maintenance, maintenance, cabling System and other fiber-optic project.&nbsp; 4、Red light output distance 12.4mi, high effective power circuits allows for stable power. 5、The pen body is designed with sliding cover switch, which can control the use state of the red light pen at will. 6、It is designed with aluminum alloy material to prevent crash and dust. <div class="wang-edit-text">Condition: 100% Brand New Item Type: Fiber Optic Cable Tester Material: Aluminum Alloy Color: As Pictures Shown Model: ht-20 Power: ＞20mW Measuring Range: Approx. 20km / 12.4mi Power: 2 x AA batteries (not included) Uses: Detect fiber jumpers <style>.w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid #000;};.w-e-text table,.wang-edit-text table{border: 1px solid #000 !important;}</style> <div>1 x Fiber Optic Test Pen</div><div>1 x Ceramic Core</div><div>1 x PU Cover</div><div>1 x Rope</div><div>1 x Chinese/English Manual</div> Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>