About this item NIGHT LAMP, Knowing the time at night when no turning on the lights. Energy saving & environmental protection, only one AA battery needed, creating low carbon life.(Battery is not included) High Quality smooth sweeping quartz movement ; Quiet sweep second hand, Silent, no ticking to ensure a good sleep and best working environment. Shell material: high quality cold rolled steel. Electroplating guarantees colors keep shinning and bright. Easy to use:There are just 2 knobs on the back, one to adjust time and one to adjust the alarm. Easy to read dial, perfect for kids or seniors;Product Size:4.7''(Height) * 3.2''(Width) *1.8''(Depth) .