Feature:1. SIMPLE AND STYLISH: The flip digital clock has a simple and stylish design, which matches perfectly with modern home style and creates a cozy ambient.2. AMBIENT LIGHT DESIGN: Retro flip down clock has an ambient light design with adjustable brightness, suitable for different scenes and needs.3. SILENT OPERATION: Vintage flip down clock adopts silent flip down mechanism, noiseless operation, ensure your excellent sleep quality.4. WIDE RANGE OF SCENARIOS: Flip down clock adopts multifunctional design, can be placed on desktop, nightstand and other places to meet different needs.5. PREMIUM MATERIAL: Vintage flip down clock is made of premium plastic and metal material, durable and easy to clean.Specification:Item Type: Retro Flip Down ClockMaterial: Plastic, MetalSize: Approx. 21x14.5x9.5cm / 8.3x5.7x3.7in Battery Type: Main Body D Size Battery x 1 (Without Battery Delivery)Base Battery: 1.5V AAA Battery x 2 (Without Battery Delivery).Package List:1 xRetro Flip Down Clock 1 x Manual Note:1. With a D size carbon battery, such as for PAIRDEER, for 555, for Huatai batteries, can not use for Nanfu battery, will damage the movement.2. Manual measurement please allow some error.