The battery cover comes off. It will not come off when locked. There appears to be dust or something similar inside the screen. There are scratches and marks overall, so please check the photos. I have confirmed that the power turns on and that it can take pictures, but the battery life is unknown. There is a possibility of malfunctions due to the symptoms described, but returns are not possible, so please consider purchasing only if you understand that this is a product with issues. #CASIO #Casio #EXILIM #DigitalCamera #DigitalCamera