This lamp with overload protection and overtemperature protection, no UV. Avoid the risk of fire and electric shock. The CRI of lamp illuminants is higher than 80. In addition, the objects are very clear and natural in the light. A constant brightness of 400 lumens works very well against eye protection. With energy efficiency class A ++, the use of new energy-saving technology, high-quality light, energy consumption can be minimized, you save up to 88% electricity costs. Compared to a comparable incandescent lamp, replaces conventional dimmable incandescent lamps with 40W Equivalent power. The average service life is 30,000 hours (that's over 15 years with 5 hours of daily use) do not let you constantly replace the light bulb and worry. Model ： C35-4W-450LM-2700K-E14 Base ： E14 Input voltage (v) ： 220-240V Color temperature (k) ： 2700K Watt (w) ： 4W Lumen ： 450lm CRI ：> 80 Ra Dimmble ： not Lifespan: 15,000 hours Lamp size (mm): ø35 * 99 ± 3 Beam angle: 360 ° Pear peel material: glass Glass coating: clear Package Include: 8 x 4W LED bulbs