... 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 ... 10. Key operation: Power, USB connect, Slide show, Auto off, LCD contrast, Back light, Delete one, Delete all, Dispaly Clock, Exit. 11. Power ...