Material - Frame is made of PS material: lightweight, resistant to deformation and cracking, and retains a delicate appearance with long-term use. Performance - Provides good antioxidative capability: withstands prolonged exposure to air so the frame and the artwork or insert stay in their original state over time. Practical function - Cleverly hides the meter box without affecting its normal use; the access is easy to open for maintenance. Design and durability - Features a unique push-pull mechanism for convenient and smooth operation; strong load-bearing; long-term use resists jamming or sagging and offers stable performance. Use scenarios - Residential hallway or utility area: conceals the meter box for a neat appearance while allowing quick access for readings and servicing. - Office or commercial space: hides utility meters behind a discreet frame, preserving interior aesthetics and permitting easy maintenance. - Public facility or workshop: durable and stable mounting that maintains appearance and function under frequent use and service access.