✅ Super Energy Saving: Replaces up to 200~1000Watt halogen bulb or incandescent lamp. ✅ High Brightness: The high brightness OSRAM LED chip is durable and ideal for swimming pools that require high lumen lighting. ✅ Easy Replacement: Bulb Dimensions: 4.7*5.3Inch, Medium base (E26), Unscrew the old lamp to replace the LED bulb, Compatible with Pentair Amerlite 789 790 791 series, Hayward Astrolite SP058 series etc, the lamp supports AC85-277V input. ✅ Excellence Quality: We design and manufacture LED Pool light products using top-of-the-line components: OSRAM LED chips, High thermal conductivity aluminum , Isolated authenticaiton driver & Quiet SUNON fan for efficient heat dissipation. Scientific design brings extremely long life to light bulbs. ✅ About Circuit Breaker & 100% Satisfaction Guarantee: The bulb is produced, tested and aged in a safe circuit breaker environment, 100% suitable for circuit breaker circuits. No hassle money back or replacement guarantee. We remove all risk. You have absolutely no need to worry about getting a dud product as we promise to return your money if you are not happy with your purchase.