http://www.illuminatik.com/

Quick Overview

+ Very Convenient for travelers wishing to use 2 different simcards while traveling
+ Double simcard Use 2 difference SIMCARD with your iPhone for your Journey
+ Portable power pack ( Enough Power to hold your iPhone for Days while you are traveling)
+ Protective case ( made with same material used in iPhone, scratch proof )
+ USB cable ( Hidden USB cable for your data connection anytime, anywhere always with you )

- Home ==> settings ==> Phone ==> SIM Applications: select your desire SIM card
(If you don't want it to select SIM card for you when the signal is low, please don't select "auto/SW)

Note once you've chosen to another sim card, it will have a message "No SIM Card installed", please wait 1 or 2 minutes, it needs aound 1 ~ 2 minutes to search, during this time, "No SIM" will appear in the top right of your iphone's screen.
- When the battery is with the case, the LED will be always on (blue). When the battery is being charging, it will be in Red.
- For sync with PC / charge with PC / Mac, please turn the Charge Button to "OFF" - This devices does NOT support DUAL STANDBY Mode but you can switch between them.