Ring-shaped LED tubes for electromagnetic ballasts (CCG/LLC) and mains voltage. Product features: LED alternative for classic T9 fluorescent lamps in CCG lights. Homogeneous illumination. Service life: up to 30,000 hours. Mercury free and RoHS compliant. Product benefits: Simple, quick and safe lamp replacement without rewiring. Energy savings of up to 50% (compared to T9 fluorescent lamps on conventional ballasts). Also suitable for operation at low temperatures. Can be operated directly on 230 V mains voltage. Areas of application: General lighting in ambient temperatures of -20…+45 C. Corridors, stairwells and multi-storey car parks. Household applications. Decorative applications. Technical features: Suitable for operation with low-loss and conventional ballasts.