Auto Off: 60 Seconds; Weighing plate Size: 100 x 100mm / 3.9" x 3.9"(L*W); Total Size: 128 x 106 x 19mm / 5" x 4.2" x 0.7"(L*W*H) LCD display with backlight makes it available at night. Lightweight, Portable and easy to transport carry and store.