1. Energysaving up to 90%: R7S LED 118 mm dimmable bulbs consume only 30 W, delivering light output equivalent to a 300 W halogen bulb, saving you 90% on electricity. With technical improvements in R7S LED dimmable rods, you get the same brightness and light output at lower energy consumption. Enjoy reduced maintenance costs and fewer lamp replacements. These 30 W LED bulbs boast a lifespan of up to 30,000 hours. 2. Dimmer description: The 30 W R7S LED 118 mm bulbs support dimming, allowing brightness adjustment from 20% to 100%. Note: If the dimmer is incompatible with R7S, flickering may occur during dimming. Also, the dimmer will not completely turn off the LED bulb. 3. Comfortable light: The R7S LED 118 mm dimmable bulb emits a natural white 4000 K light with no flickering, providing eye protection. With 3000 lm output and a 360degree beam angle, it reduces eye strain and safeguards vision. The R7S LED rod contains no lead or mercury and emits no UV or IR radiation. 4. colour rendering index: Featuring a CRI (CRi≥90), the R7S LED bulb ensures vibrant, truetolife colours while protecting your and your family's eyes from light damage. It promotes a healthy, pleasant ambiance and helps maintain melatonin secretion.