Usage Tips:Features: brand new and high quality Good Stability: The bulb with good stability, it will not flash while lighting up or in the middle of lighting, good prevent your eyes from hurting. Unique Design: The wavelength is stable at about 365nm as well as the good stability luminescence, perfect at great effects on trapping insects, the light help to attract and kill various kinds of insects. Good Brightness: The lamp bulb's color is soft and energy saving, with good brightness and light color to disinfection with good performance. Good Performance Service Life: With great energy-saving effects and the service life can up to 8000hours of average, well performance to serve your daily use. Wide Range Application: It is widely used to in agriculture, lure insects or kill pests in forests and farms, it can also applicable to use check money, identify fake paper money, use as stage lights, etc. Specifications: Product Dimension: approx. 18.5cm/7.28 inch Material: Plastic, Glass Net Weight: 40g/0.08 lbs Power Supply: AC 220V Base: E27 Service Life: 8000 hours Power: 30KW/40KW Wavelength Range: 300-400NM Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 x UV Bulb