Features: 1) Standard high pressure sodium lamps feature high luminance efficiency, low power consumption, long life and a white light that can penetrate fog 2) Suitable for roads, airports, wharfs, stations and industrial lighting 3) Good assortment 4) Less broken rate in early stage 5) High luminous efficiency 6) Energy saving 7) Long life 8) Golden-white light Specifications: 1) Voltage: 120V AC, 230V AC 2) Wattage: 70W, 100W, 150W, 250W, 400W, 600W, 1, 000W 3) Base type: RX7s, E26/27, E39/40 4) Bulb shapes: T type, ED type and BT type 5) Color temperature: >2, 000K