... 5 inch Digital Photo Frame ,1. Screen: 1.5 inch CSTN LCD. 2. Solution: Appotech 3. Resolution: 128 x 128 Specification: 1. Screen: 1.5 inch CSTN LCD. 2 ... . Solution: Appotech 3. Resolution: 128 x 128 4. Memory: Built-in 8MB memory 5. File format: ... Key operation: Power, USB connect, Slide show, Auto off, LCD contrast, Back light, Delete one, Delete all, Dispaly Clock, Exit. ...