Descriptors | Cycles, Performance testing, Lamps, Battery-powered devices, Dimensions, Oil-resistance tests, Heating tests, Endurance testing, Testing conditions, Photometry (light measurement), Switches, Cycle and motorcycle components, Tail lights, Filament lamps, Electric generators, Marking, Test equipment, Colour, Rated voltage, Headlamps, Vibration testing, Watertightness tests, Road vehicle components, Voltage, Lighting equipment, Instructions for use, Vehicle components, Electric lamps, Thermal testing, Direct-current generators, Electric cells, Vehicle lights, Environmental testing, Luminous intensity, Light emission |