CHANZON high-power LED COB chips from 1 W up to 100 W with Epistar chips and an average life of about 50,000 hrs. Color temperature is cool white (5,500–7,000 K), beam angle 120°, typical luminous flux listed as 250–499 lm and power tolerance 1%. Voltage ranges vary by wattage: 1/3/5 W - 3–6 V, 10 W - 9–11 V, 20–100 W - 32–34 V. Designed for spotlight applications and suitable for living room use. CE and CCC certified.