特点:1.125 lm / W超光效率高。2。独特的“专利”向日葵SinkTM更好的热耗散热。3。意味着好电源、可靠、效率高。4。重量轻但崎岖的压铸铝住房(不需要维护)。5。防腐涂层表面。6。快速简单的安装各种选择。7。优化通风增加空气对流冷却能力。8。适用于车间、仓库、商场、收费站、体育场馆、停车场、机场、码头等照明目的。9。5年保修。 Electrical Specifications: 1. Power Input: 100-277VAC, 50/60Hz. 2. Power Factor: ≥95%. (220V) 3. THD ≤15% at Full Load. 4. Dimming (For Control Options, Please Contact Yaham). 5. IP65 . 6.Working Temperature (Environment):–30~+50℃ . Test & Certifications: 1. CE , DLC Certified, cETLus Listed. 2. RoHS Compliant. 3. LM-80, LM-79. 4. IES Files Avail. 5. ISO9001 & ISO14001. LED high bay lights url :https://yahamlighting.com/products/led_high_mast_fixture.html