To replace HID lamps, Haichang Modular series LED high bay lights are hot pluggable with unique heat sinking design. The power is available from 40W to 360W. It's corrosion resistant with IP68 protection. The Modular series LED High Bay Lights 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. Product features: Philips-Lumileds LEDs, flip chip technology, single unit’s damage won't affect others' normal work Modular design, hot-pluggable technology, easy onsite maintenanceHoneycomb briquette burning effect heat dissipation principle, whole structure cooling technology Double-coupling IP68 protection for module, highest waterproof level Wide power range: 40W~360W Lumen maintenance of L70 at 50,000 hours, significantly reduce maintenance cost Ergonomic lighting distribution to achieve uniform illuminating effect Free modular serialization, various power solutions Aluminum housing Multiple housing colors: black,white, grey, blue 3 years warranty