This plant lamp can promote plant growth, it can apply on all plants grown in soil or hydroponics. Suitable for any growth process. Equipped with high quality 28LEDs (15 red, 7blue, 2 warm, 2 white, 1 infrared and 1 ultraviolet) and E27 base, it can be substituted 3-5 times the power of the high pressure sodium lamp, with the exception of 80% energy than traditional high-pressure sodium and metal halide lamps. High efficiency light: 90% of the light emitted can be absorbed by aquatic plants. But the traditional high pressure sodium and metal halide lamps only have 8% -10% of the absorbability. Aluminum material, this lamp has no toxic, no lead or mercury. Integrated cooling system, it has good thermal dispersion. You can use it for 50000 hours. Lighting space: 2-4m². It is better to light your plants for 10-16 hours of plant height about 30 cm Characteristics: Dimension: Diameter 48mm, Height 66mm Material: aluminum Weight: 52g Voltage: 85V-265V Power: 10W Luminous flux: 800LM Warning: Use only in indoor space or in greenhouse because the bulb is not waterproof. Do not put the bulb in water or there will be a risk of leakage of electricity. The plant lamp works in normal condition, -20-40 ? temperature, 45% -95% relative humidity. Package Contents: 1 * plant bulb