Product Weight: About 80g Product Size: About 5.4 x 5.4 x 17.8cm Color: Black Material: Glass, Plastic, Metal Voltage: 110V/220V Wattage: 40W Luminous Flux: 15 Lm Certification: CNAS Black Light (BLB): 40-watt black light (BLB) emits ultraviolet (UV-A) light with a wavelength of 365 nm, suitable for illuminating reactive surfaces without affecting the surrounding area. Holiday Lighting: Ideal for creating glowing effects with fluorescent materials at parties, clubs, and Halloween decorations. Verification and Detection: Suitable for verifying security features on ID cards and currency. Can be used to detect pet stains that are invisible to the naked eye on carpets or furniture. Wide Application: Useful in applications such as agricultural breeding, UV curing, fluorescence detection, currency checking, stage decoration, and hand shadow performances. Note: Due to differences in monitor displays and lighting conditions, the actual color may vary slightly from the image. Please allow 1-2cm variation due to manual measurement.