LED Remote Control Diving Light Pool Waterproof Underwater Lamp, Spec: 8.5cm 13 LEDs+RF 21-key Remote Control 1. Material: ABS 2. Applicable scenarios: swimming pools, fish tanks, vases, aquariums, etc. 3. Lamp bead model: 5050RGB 4. Lamp power supply: 3 x AA batteries (not included) 5. Remote control power supply: contains 1 x CR2025 button battery 6. Color temperature: 3000K 7. Input voltage: 4.5V 8. Luminous efficiency of lamps: 7.143 lmw 9. Light-emitting angle: 360 degrees 10. Protection level: IP68 11. Style: 7cm 10 lights (without magnet suction cup), 7cm 13 lights (with magnet suction cup), 8cm 13 lights (with magnet suction cup) Features: 1. 16 colors can be adjusted, freely switch colors according to the color of the button 2. 5 brightness levels, each light color can be adjusted freely 3. Built-in waterproof ring, waterproof grade IP68, can be used in water 4. ABS shell, wear-resistant and drop-resistant, durable 5. The vacuum chuck can be attached to a smooth surface, and the magnet can be attached to the steel surface 6. The difference between 21-key wireless28-key infrared remote control: - 21 key wireless remote control has strong signal, 30-50 meters in the air, 3-5 meters underwater, 360-degree control, can penetrate obstacles -28 key infrared remote control is weak, 8-10 meters in the air and 1-2 meters under the water. It must be controlled by the light, and no obstacles can be penetrated