Wattage: 15W, 8W, 0.5W multi wattage led bulb, Base-B22, Input Voltage : AC220~240V, 50Hz, Pack of 3 Bright 15W Cool day white for studying /reading. Right 8W Natural White light for Relaxing, Watching TV, dining.Night 0.5W Warm/Yellow light for Sleeping (Night bulb) Adjust led bulb wattages by Switching on-Switching off thebulb. It is a perfect smart light for home No mercury, no UV or IR radiation. Safe for your family and environment Energy Saving -This 3 in 1 led bulb uses 80 % lesser energy than 75 Watt Incandescent Bulbs. A led bulb reduces your monthly electricity bill and saves money. Warranty-1 year on product Halonix: Made in India. Made for India