Built-in high quality US Luxeon LED, quaranteed product life for 50,000 hrs+ (approx. 5 years). Skyward introduce the environmental friendly lifestyle and habit to you. Environmental Friendly: - No Mercury - No UV - No Heat Radiation - Uniform Light Field Cost Saving: - Low Energy Consumption - Cool Beam (low heat dissipation) Services: - 6 Months Warranty - Free Technical Support