Battery powered and sealed design Uses 2x CR2032 batteries, fully immersed and sealed to add color to your fountain and create the desired atmosphere. Runtime over 42 hours on a single set of batteries. Battery is replaceable; just screw the back cover to when needed. IP68 waterproof rating and build quality Submersible LED lights with IP68 waterproof rating. Made of quality ABS material with a sealed round silicone gasket for a 100% waterproof seal when tightened. Mini and portable design Chrome plating finish that resists rust and discoloration; light transmittance. Very small size: 1.18 x 0.98 inches, making it easy to place anywhere. Ideal for swimming pools and ponds. Infrared remote and package contents Each package includes 10 LED lights and 1 infrared 21key remote. Color options: 13 colors and 4 colorchanging modes (Flash, Strobe, Fade, Smooth). One remote can control multiple lights. Remote control distance: 3–7 meters (10–23 feet) in air; about 1 meter (3 feet) underwater due to water interference. 23 use scenarios Submerged fountain lighting in pools or ponds to enhance nighttime ambiance. Accent lighting for water features during outdoor evenings or garden parties. Portable decorative lighting for small water features or DIY setups at events. Key attributes and performance Function: batterypowered, replaceable battery; colorchanging RGB lighting with multiple modes. Compatibility: remote can control multiple lights within the stated range. Size: compact 1.18 x 0.98 inches; suitable for tight spaces. Material: ABS housing with chrome plating; rustresistant and durable. Waterproof performance: IP68 rating with a silicone seal for reliable underwater use.