- Size and design: 10 cm diameter LED lotus floating pool lamp. Elegant flower shape that floats on water to easily enhance pools, ponds, fountains and other water spaces. - Power and durability: Built in button battery for long lighting time. Waterproof battery box with fast, worry free battery replacement. - Auto illumination: Water sensing technology lights up when in contact with water, no manual switch required. - Applications and versatility: Suitable for swimming pools and garden ponds, adds color to weddings and festivals. Also suitable for fish tanks and indoor decoration. - Use scenarios: 1) Float in a backyard pool during an evening gathering to create ambient light. 2) Place around a garden pond or fountain to add color and mood for outdoor events. 3) Use in a fish tank or as indoor water decor to brighten small water features.