... . Long time working, 12 hours/day is perfect, product low heat6. No RF interference7. No mercury or other hazardous materials ... -20°C to 56°C, suitable for unusual climate9. Low maintenance cost Model numberPYT-0003 BaseE27, MR16, GU10 ColorWarm WhiteWhite ... Anti-shock, anti-moisture, no glare, no strobe light, protecting your eyes3) Imported light source, high brightness4) Instant on, no warm up ...