IP67 WATERPROOF: Our LED pool lights are IP67 certified, which means the LED pool light is completely waterproof, no need to worry about water penetration, can be submerged in water for long-term use. In addition, this solar powered floating pool light features a sealed conical construction that is sturdy enough UPGRADED SOLAR LIGHTS: This pool light is solar powered and does not require batteries. The solar powered floating fish light absorbs sunlight during the day, then transforms it into energy that is stored in the built-in battery (600mAh) to power it at night. After a charging time of 4 to 8 hours, this floating pool light can illuminate for about 4 hours in bright mode and for about 8 hours in flash mode 4 COLORS & BRIGHTER BRIGHTNESS: One-button RGB control, 4 light sources (red, green, blue, yellow evenly distributed), 6 modes (red, yellow, blue, green, color light flashing slowly, color light flashing quickly) Click the button on the top to turn on: long press the button