AmazingLED&trade;Pack of 10 12W (Equivalent to 50W) PAR36 AR111 (12V AC) Dimmable LED Flood Light Bulb,UL Listed G53/GX53 Base,700Lm Bright White 5000K NOTE: This product is ONLY compatible with a "12V AC" Power Source, Please make sure a correct driver/Ballast/fixture is used with this product, the use of this product with incorrect power source will result in premature failure of the product. Replace a 50W Halogen bulb by 12W LED, saving at least 76% of energy. Lifespan: 22.8 years (based on an average of 3 hours of usage per day) "ESTIMATED YEARLY ENERGY COST $0.60" (based on 3 hrs/day, $0.11/kWh) UL Listed [E360539], 100 % safe materials, free from heavy material. Non-waterproof product and we do not suggest to be exposed to the rain or sprinklers. MANUFACTURER's NOTE: We ship directly from Western State. Be sure to check where this item ships from; Non-American vendors may not be shipping authentic AmazingLED items. Make sure shipping times are less than 10 days.