1. Energysaving up to 90%: 20W R7S LED 78mm dimmable bulb replacement for J78 200W halogen rod, reduces energy consumption by over 90%. LED R7S 78mm lamp offers brightness with low power consumption. Low maintenance costs and fewer lamp replacements. Lifespan of up to 30,000 hours. 2. 20W R7S LED 78mm lamp: R7S LED dimmable warm white light (3000K) creates a comfortable and relaxing ambiance. The R7S LED rod emits 2000 lumens with a 360degree beam angle. The LED R7S 78mm provides a healthy and pleasant feel. 3. R7S LED 78mm dimmable: 20W R7S LED bulbs support dimming, with adjustable brightness from 10% to 100%. Note: If the dimmer is incompatible with R7S, flickering may occur during dimming. 4. color rendering index: With a CRI of 90, the LED R7S bulb ensures accurate color reproduction without distortion. The R7S COB 78mm 20W delivers a soft, warm white light (3000K), creating a cozy and pleasant atmosphere.