Easy to Red: Led digital wall clock with large dispaly screen is clear to read. Time disply Size: 39x7.5cm /15.35''x2.95''Non ticking: Quiet sweep second hand, no ticking to ensure a good sleeping or working environment.Application: Excellent for Office, sitting room, hotel lobby, church, classroom, hall, saloon, industrial, schools, hospitals, and commercial buildings.Plug-in Use: Plug-in use instead of battery support, the built-in lithium battery is just used for an emergency when the power is suddenly off.Simple Installation: Just Haning on walls or put on the desk, with 2 pre-drilled holes on back, it's easy to install.Specification:Material: Aluminum Alloy Frame, Plastic ShellProduct Size: 48x19x4 cm /18.90''x 7.48'' x 1.57''Time Display Size: 39x7.5cm /15.35''x2.95''Power: 110V-220VFrequency: 50Hz/60HzClock Accuracy: Approx. less than 0.3 seconds / dayPackage Includes:1 x LED Digital Wall Clock1 x US Plug