The case has an interactive front panel that allows you to respond to calls, access your calendar, alarms and even view notifications without opening the flip. • Dot view see-through notification technology • Stylish dot matrix retro look and design • Smart wake up and sleep function • Rolling display the call ID, time and volume • Perfect for replacing your old or damaged battery housing Compatible with: • Samsung Galaxy Alpha G850 Note: Install the special intelligent dormant app by scanning the QR code, and enter registration code to activate the dot view function.