Cluster LED 16x38mm retrofit, as a replacement for conventional light bulbs in trade and industry. Cluster LED lamp with 8x3mm LED in blue - bridge rectifier - reverse polarity protected. Ultra-bright LED lamp with 8 integrated 3mm LEDs, achieves a high light output, making it a full replacement for light bulbs. Vibration and shock resistant, as well as insensitive to fast on/off cycles even with voltage pulses above the nominal voltage. All types are designed for AC/DC operation as standard. The service life (reduction in brightness by 50%) is over 50,000 hours. Energy efficiency class: not subject to labeling