Healthier LightThe turtle lamp provides your pets with high quality UVB UVA, which is me than 10 times better than dinary lamps. UVB ultraviolet rays promote the synthesis of vitamin D3. This product is me focused on providing UVA UVB spectra rather than heating lighting. So be careful when dering customers who want to use the heating lighting function. Make your reptiles healthierOur sunlight provides high quality UVB UVA ultraviolet rays, 3% UVB ultraviolet promotes vitamin D3 synthesis, increases calcium absption 97% effective heat energy UVA digests food, which is essential f bone growth prevention of metabolic disders. With this heating, the lamps prevent calcium deficiency or soft nails or back enlargement. Concave-convex mirr The reflection of the concave-convex mirr increases the penetration distance, the concave-convex mirr design improves light utilization increases UV light transmission distance. Heat Resistant Metal HousingOur reptile bulb with ceramic lamp head heat-resistant metal housing, has high temperature resistance up to 600C. Unlike other plastic bulbs, it doesn't have to wry about the reptile socket melting during use. Good soft light Soft light does not flicker to protect eyesight, DC drive, good soft light, no flicker, does not irritate pets' sight eyes. UVB5.0 is suitable f reptiles living in tropical rainfests subtropical areas.