1. Easy to carry: with portable size and light weight, this cable tester is easy to carry and install.2. Applicable for: this cable tester is applicable for RJ11, RJ45, 10/100 base-T and telephone cable, etc.3. Durability: with durable design, this cable tester is working well even in construction location, and super device ensures your good mood.4. Automatic efficient scan: it supports automatic efficient scan for the miss wiring, disorder cable, turn on and short circuit.Product Specifications:Color: Grey WhiteMaterial:PS plasticsize:107x102x27mmPowered by: DC 9V reduplicated battery (not included).Package Contents:1 x cable tester1 x Chinese and English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.