Haichang Modular series LED High Bay Lights,designed to replace HID lamps, are made of aluminum alloy and Lumileds high power LEDs. Adopting modular design, different numbers of modules can be plugged on or off to get different powers. Meanwhile, the integral heat dissipation technology and Honeycomb briquette design make sure fast cooling during operation. With lumen maintenance of L70 at over 50,000 hours long life, maintenance costs can be significantly reduced. Haichang Modular series LED High Bay Lights,with double-coupling IP68 protection, can be installed in both indoor and outdoor.