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 11. Black Light (BLB): 40-watt black light (BLB) emits ultraviolet (UV-A) light with a wavelength of 365 nm, which is very suitable for illuminating reactive surfaces without illuminating the surrounding area. 2 2. Holiday Lighting: Suitable for creating luminous effects with real white and neon colors in parties, clubs and Halloween decorations. 3 3. Verification and Detection: It is also very suitable for verifying the security functions on ID cards and currencies. Used to detect pet stains invisible to the naked eye on carpets or furniture. 4 4. Wide Application: Agricultural breeding, UV curing, fluorescence detection, currency checking, stage decoration, hand shadow dance, etc.1 x BulDue to the different monitor and light effect,the actual color maybe a slight different from the picture color. Please allow 1-2cm differs due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.