OMNILUX UV Lamp 250W E-40 is a 250 W discharge lamp designed to produce ultraviolet blacklight effects. It operates at 105 V, uses an E40 screw base, and emits UV-reflecting light at a wavelength of 365 nm. The bulb has dimensions of 225 × 90 mm, a rated life of 2,500 hours, and requires a ballast resistor for operation. Its specified burning position is S30, vertically ±30°.