With practical carrying handle. Robust and easily replaceable electronics. Can be operated with two batteries (parallel connection, halves the number of battery changes required). Can also be operated with one battery (continuous 3-fold current draw). Lamp bolt is also used for attachment to lights and barriers. With automatic twilight function and LED function indicator (green). With on/off switch and option to switch between flashing light and continuous light. Lamp base with 40 x 40 mm bracket. Effective light output: 180 mm. With labelling field (theft protection and permanent advertising space). Yellow or red light selectable. Light output can be selected on one or two sides (for single-sided luminaires, the rear is fitted with a dummy disc). Choice of luminaires with or without lamp holder. All components of the FUTURE luminaire are available as spare parts and can be replaced without soldering. Conforms to the photometric requirements of class L6 EN 12352. Tested in accordance with TL warning lights 90 (letter code Z). BASt test numbers: V4-27-2003, V4-28-2003 When used as TL warning light: Install light without lamp holder.