audible and visual signaling devices, safety, reliability and durability are equally high requirements. In this project – an offshore drilling rig near Dubai – Comansa had to equip 17 cranes with visual alarms [...] installations, Comansa has successfully applied POL 32-M as an obstacle light for aircraft warning, Quadro-LED-HI for helicopter landing signaling and DS 10 as an emergency sounding alarm. Comansa chose our high [...] life of over 50,000 hours, hence maintenance-free. Quadro-LED-HI Extreme bright 75 cd LED light with large signaling effect, brightness adjustable. Designed for tough requirements under industrial conditions