2-way Privacy Filter for iPhone 4 (loose pack) It can prevent personal information from being exposed by adjusting the view angle through sophisticated technology (Micro-louver technology) on the membrane of the film. It protects the personal information by displaying black (or other colored) screen in the outside of 30angle left or right. Item Code:IG810035 Model No.:IGA10035 Market Price:HK$62.400000000000 up / piece Our Price:HK$27.300000000000 up / piece Reference Currency