Detailed Product Description 1. Aluminum shell makes a better heat-sink, assure LEDS work well2. PMMA high photic lens, good beam and illumination.3. Accord with the CE and ROSH Compliance.4. Temperature range: Indoor -40 to +80degree5. Applications: Recreation ground, Museum, Exhibition, Market, Restaurant, MeetingRoom, Show Window, Bars etc. 6.E27 &MR16 base are available.