Panel Frame is a frame construction for fixing Core1, Core2 and Tough series M5Core. Offering two installation methods of screw and double-sided adhesive tape. For M5Tough installation, 3M waterproof double-sided adhesive tape can provide waterproof function. For the M5Core (Core1, Core2), four plastic pads are to be installed into four corners of the frame, to make the M5Core surface in parallel with PanelFrame. Customer can choose the method of cutting holes, with the help of attached card paper.