Relevant parameter: 1.Part Number: HST-1 2.Input Voltage: AC85-265V 3.Rated Power: 5W(optional) 4.Light Color: White(optional) 5.Luminous Flux: 500LM 6.LED Number: 5*1W 7.Single Flux: 90LM-100LM 8.Material: Aluminum alloy Product feature: 1.As adopt high quanlity constant current isolated power, which independently researched and developed by our company, it has such characters:small size, light weight, and shatter proof by seal eposy resin encapsulation. 2. With the use of high quality al-alloy shell, the surface sandblasting or plating processing 3.Lamp has heat sink function, promote the efficiency of heat dissipation, so prolong the lifespan. 4.More durable, more energy-saving, more environmental protection. Applications: LED Ceiling light is well suited for commercial and residential application, For instance: boats, villa, restaurant, hotel, hall, meeting, room, office, living room,exhibition room, gallery, museum, reading room, bar, bathroom, school, bedroom, buildings, underground parking garage, supermarket, shopping mall etc.