[Feature]: Using 1W 12v mini led is used, 120°beam angle, Large display area. [Application]: Bookshelf, KTV rooms, stair lighting, cabinet showncase, entrence hallway skirting and other DIY design, such as a sense of starry effect, Auto RV Read Lighting. [Mini size]: This 12v mini led with a body size of D20 x H22mm is small, making it easy to install and carry, and allowing for greater flaxibility in limited spaces. It is suitable for use as decarative lighting in locations such as rooms, stairs, cabinets, RVs, bathrooms, yachts, bedrooms,furniture, cabinets, showcases, mirror cabinets, shelves. [Easy to install]: Open a hole with a diameter of φ15mm, embed the lamp, parallel connect the small lamps to the DC 12V power. forbid to conect 110V/220V directly. Colour:Silver Material:Metal Size:Hole diameter:15mm Package Contents: 27 x Downlight Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.