Features 1、Scope of Application: This tester can be used for weak current equipment below 65V to find lines, such as switches, routers and other weak current equipment. 2、With Earphones: Comes with earphones that you can wear it when testing to reduce noise disturbance, achieving better testing effects. 3、Easy Manipulation: This cable tester possesses easy manipulation, one step ahead of others in line hunting, line alignment, and line measurement. 4、Gear Function Switch: Equipped with 2 gear independent line hunting, line measuring function switch, you can make adjustments according to your own needs. 5、Ideal Replacement: This tester with excellent performance and portability, ideal replacement for the old and damaged parts. Specification Item Type: Cable Tester Material: ABS Battery: Detector 9V 6F22 Battery x 1 (Without Battery) Receiver 9V 6F22 Battery x 1 (Without Battery) Uses: Shielded, unshielded lines can be found, switch, live hunt, wire sequence testing, adjustable sensitivity. Package List 1 x Tester 1 x Receiver 2 x Test Cable 1 x Test Clip 1 x Earphone 1 x Instruction Manual 1 x Storage Bag