1,Password Lock / LED Flashlight 2,Storage of backup machine is 8KB, 250 telephone number can be copy (all type) 3,No need of computer connection 4,formations cant be lose in case of mobile phone problem, two sim cards can be copy in one backup machine 5,If user need to use different type of Sim Card in different countries, it can be storage in one Sim Card as well 6,It cant lose any data even battery exhaust It is the fashion treasure for the mobilephone users and gift-presenting, with great features of Novelty design, small and exquisite, and fashion practical. Our company can print customers mark and design on the SIM Card Device or design packing as the requirements. It is the best choice for the company to do sale promotion, propagandize the companys new image, and achieve the publicity.