Features: brand new and high quality Switch on the power on the main tester. This RJ45 cable tester can be applied in testing not only UTP and shield RJ45 cable,but also RJ11 RJ12 telephone lines. RJ45 network cable tester is convenient to hold in hand for its mini size and it comes apart :master unit and remote unit. Cable Tester for RJ11, RJ45 and telephone cable ... etc It can easily clarify cable, continuity, open and short. Support 8P/6P/4P multi-specification network cable phone line. Specifications: Material:Plastic+Metal Color:Blue Black Size:95x75mm/3.74x2.95in Note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Network Cable Tester 1x Manual