Description: Silent Luminous ABS Digital Electronic Clock Student Exam Study Library Pocket Watch Green Backlight LCD Display Mini Portable Material: ABS Color: White, Green, Blue, Black, Pink, Gray Size: 65*25*14MM (2.56*0.98*0.55Inch) Power by:AG10 Battery (Included) Weight: 16G Qty:1PCS Application: Study Room, Office,Library, Public Place etc.. Specifications: Features: 100% Brand new and high quality. ❥Two AG10 batteries supply power for the luminous and display respectively, and the normal standby time is 2 years. (include) ❥High-quality ABS material, especially matching the quartz of the circuit board, the error of 0-3 seconds in 24 hours under normal temperature environment, reaching the international standard ❥Green luminous, bright and not dazzling ❥Embedded buttons ensure the feel of the buttons while preventing misoperation. The buttons with integrated functions are easy to use and simple to set up time. ❥The perfect mute and compact design make it suitable for examination, study, work and other occasions that need time Package Included: 1* Electronic Clock