Đồng hồ điện tử kỹ thuật số màn LCD phát quang xanh lục cỡ nhỏ không ồn cho học sinh dùng trong thử nghiệm thư viện

Silent Luminous Mini Portable Digital Electronic Clock Student Exam Study Library Pocket Watch Green Backlit LCD Display Mini Portable Silent Luminous ABS Digital Electronic Clock Student Exam Study Library Pocket Watch Green Backlight LCD Display Features: Green backlight High quality ABS material Recessed button Dual AG10 power supply, normal standby for 2 years. (included) High for time accuracy Quiet design Color: white, green, blue, black, pink, gray Material: ABS Size: 65*25*19mm (2.56*0.98*0.75inch) Power by:AG10 (included) Application: study room, office,library, public place etc.. Package included: 1 * Electronic Clock