Product Weight: About 80g_x000D_ Product Size: About 5.4*5.4*17.8cm_x000D_ Color: Black_x000D_ Material: Glass, Plastic, Metal_x000D_ Voltage: 110V/220V_x000D_ Wattage: 40W_x000D_ Luminous Flux: 15 Lm_x000D_ 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_x000D_ 2. Holiday Lighting: Suitable for creating luminous effects with real white and neon colors in parties, clubs and Halloween decorations. 3_x000D_ 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_x000D_ 4. Wide Application: Agricultural breeding, UV curing, fluorescence detection, currency checking, stage decoration, hand shadow dance, etc.1 * BulDue to the different monitor and light effect,the actual color maybe a slight different from the picture color._x000D_ Please allow 1-2cm differs due to manual measurement.