Iphone 6 6s Case ,Incoming CALL FLASH ,9 color led flash of calls,case cover for Iphone 6 6s (Phoenix 4.7 inch) Incoming Call Flash Alerts remind you of calls, attracting your eyes immediately in dark, noisy places Ultra slim and lightweight. Made with high-grade soft transparent TPU and hard polycarbonate (PC), working together to provide your phone from scratches, dust and bumps. Holster itself does not light, setup the LED Flash for Alerts is required. Enable IOS LED flash settings for alerts (Settings&gt; General&gt; Accessibility). Rotate the switch in the back can change 9 color of led flash for alerts