The OMNILUX Flash Tube 40W U-Shape w/o Base is a strobe lamp with a nominal wattage of 40 W and an operating voltage of 360 V, with a permitted range of 300–700 V. It emits white light with a colour temperature of 8000 K. The lamp has wire connections instead of a base and uses a U-shaped construction. Its dimensions are 65 × 6 mm (length × diameter), its weight is 0.01 kg, and its operating temperature range is 20–40 °C.