Product Weight: About 80g Product Size: About 5.4*5.4*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 illuminating the surrounding area. Holiday Lighting: Suitable for creating luminous effects with real white and neon colors in parties, clubs, and Halloween decorations. Verification and Detection: Suitable for verifying security features on ID cards and currencies. Can be used to detect pet stains invisible to the naked eye on carpets or furniture. Wide Application: Agricultural breeding, UV curing, fluorescence detection, currency checking, stage decoration, hand shadow dance, etc. 1 x Bulb Due to differences in monitors and lighting effects, the actual color may vary slightly from the image. Please allow 1-2 cm variation due to manual measurement.