Product Information Perfect Illumination: Valytime downlight used Osarm LED chips and Lifud driver. They are concerntrative and high brightness, provide sufficient light for general lighting without glare and buzzing, and bring a cozy and warm ambiance for your room. Unique design: our patent design model provide you excellent outlook. Adjustable - The track light heads are LED integrated with a 24 & 40 degree beam angle and ideal for highlighting decor. Bulb included. Flexible Usage: Compatible with H type 4-wire-2 circuit track system. Show Vivid Color: CRI 90+ outstanding color rendering, shows more precise, natural and realistic light color. Energy Efficiency - Saving electricity up to approx 80%, Lasting approx 30000 hours of life in good condition. Certification: CE certified which means our products meet strict requirements to be considered safety and reliable. Additional Certifications: RoHS-Compliant. 3 years Warranty: if any problem with the product, please feel free to email us before return. We will serve until you are 100% satisfied.