Exceptional Durability - This PAR56 pool lamp combines ultra-thin panel technology with LED chips. The lamp body is made of high-quality corrosion-resistant polymer and internally filled with epoxy resin, giving it extremely high crack resistance, heat resistance, and chemical corrosion resistance, as well as making it 100% waterproof. Superb Bright Lamp - With an actual power of 35W, a luminous flux of 3500 lumens, and a 140° beam angle, it provides a wide lighting area and ample light coverage, with total dimensions of 178 mm in diameter x 25 mm in height. Compared to traditional 300W halogen lamps, it saves up to 86% energy and has a 10 times longer lifespan. Easy Replacement - Compatible with most PAR56 lamp holders/niches (except for small spa equipment), it is ideal for replacing 300W halogen lamps in standard niches. IPX8 protection class resists corrosion from pool water treatment chemicals and is fully compatible with salt chlorination systems. Maximum Safe Voltage - 12V low voltage output ensures safe underwater lighting. During testing and installation, please ensure you provide a 12V AC/DC transformer required for proper operation. (Our products do not include a transformer or pre-installed base.) This powerful LED pool lamp is ideal for indoor and outdoor pool lighting. It emits a bright white light and provides fantastic results with only 35W of power. It not only saves on electricity bills, but its longer lifespan also makes lamp replacement and maintenance easier. 3500 lumens/2800 lumens, 441 LEDs, 140º beam angle, over 50,000 hours lifespan, resin-filled, 100% waterproof.