... : 1) GGY 1,000W 2) Base: E40 3) Bulb type: BT High Pressure Mercury Lamp Specifications: 1) GGY 1,000W 2) Base: E40 3 ... ) Bulb type: BT Features: 1) White, 4,100K color temperature 2) Firm structure ... 5) Suitable for road lighting, and indoor and outdoor lighting High Pressure Mercury Lamp -1000W