Power / Wattage / Appearance DC 12V / 40W / Straight AC 220V / 40W / Straight DC 12V / 40W / Spiral AC 220V / 40W / Spiral AC 220V / 30W / Spiral Product Name: Black light lamp Base: E27 Wavelength range: 300 ~ 400nm; Main wave peak: 365NM Life: 8000 hours Use: 1. Agricultural farming dedicated; 2. Stage performances decoration; 3. Copy lights UV lamp UV curing lamps; 4. Paper money check; 5. Fluorescence detection, hand shadow dance. Note: Hang the violet light above the fishpond -1 meter distance from the top water color: Black light Material: glass Package Included: 1x Black light lamp(Lampshade is not included) Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.