Specifications:

• blue type: usb power supply
• yellow/gray: need battery,we donn't sent battery
• Certification: NONE
• weight: 100g
• type: rj11&rj45
• Origin: CN(Origin)
• Model Number: ethernet cable tester
• item name: RJ45 tester
• DIY Supplies: ELECTRICAL
• Display Size: 2.9 Inches & Under
• Brand Name: xintylink