Luminous and light function The dial and hands glow all night after the insertion of a normal interior light for a whole day or sunlight. With constantly illuminated dial, you can see the time at night. A light bulb built into the watch, you can also press the button to activate night vision.High-quality environmental protection materialThe non-ticking alarm clock case is made of metal material, 3 meters anti-drop, the dial is made of plastic material, non-toxic and tasteless, durable and beautiful in appearance.Battery Operated Alarm Clock1 x AA battery (not included). Note: Please use carbon batteries. Please debug before use. If the battery is low, please replace it in time. This simple round alarm clock is also a stylish decoration for bedroom, home and office.Exquisite and compact alarm clockThis alarm clock is exquisitely crafted, compact and durable. It can be placed on the bedside table or on the children's table to remember the time, it is a good helper for children.A must for bedside tableThis bedside clock is very easy to set the time and alarm for everyone, a perfect gift for your family and friends. This bedroom clock protects you from radiation damage, lets you stay away from your phone while sleeping, no need to set an alarm on the phone.Description:Name: alarm clock.Style: simpleDisplay type: pointer + number.Applicable places: living room, bedroom, study, office, public places.Material: metal case + plastic dial.Waterproof: NoSpecial features: decorative, brightShape: round.Whether double-sided: one-sidedSize: 4"Movement: Sweep seconds movement.Product category: alarm clockPower supply: 1 x AA battery (not included).Scope of delivery:1 x alarm clock.Note:1. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.