Philips AmbientLED (TM) 35W Replacement MR16 LED Light Bulb with GU10 Base - Soft Warm White Electricity bill: $96.00 estimated savings over lifetime of this bulb compare to halogen (based on $0.12 per kWh over 25,000 hours). Light Output (lumens): 130 (Comparable to 35W/ 40W halogen) Compliance: UL Listed, FCC Part 15 and RoHS (lead-free) compliant Philips LED light bulbs have at least 25,000 hours average operating life, which is 25 times longer operating life than incandescent and 2.5 times longer than fluorescent.