Backlight function: The bedroom clock features a backlight for easy time reading at night or in dark environments, activated by pressing the button. Practical and convenient for checking time during midnight wake-ups. Bell Alert: Equipped with high quality smooth sweep quartz movement, producing a super loud siren sound ideal for heavy sleepers and those who struggle to wake up. No snooze button, suitable for adults, teens, children and seniors. Easy to use: Simple analog setup by turning the knob to set clock and alarm time. Battery powered (1 AA battery, not included), no power cord needed, portable for travel; suitable for kids to use independently. Specifications: Height 6.5inch (16.5cm), width 4.5inch, depth 2.5inch; metal frame, ABS and glass material, 3D dial. Classic vintage double bell design, timeless fashion, perfect as a back-to-school gift for teens or kids to manage their time. Colour as shown. Package Contents: 1 x Alarm Clock. Only the above package content, other products not included. Note: Light reflection and different displays may cause slight color variation from the real item. Measurement allowed error is +/- 1-3cm.