... Phi; 7.5CM8. MATERIAL: ALUMINUM ALLOYBenefits:1. Sold-state, high shock/ vibration resistant2. No RF interference, no buzzing noise3. ... , 000 + hrs (8+years)8. Low power consumption, high intensityApplication:1. Bus, shuttle, railcar passenger interiors2. Uniterrupted emergency ... with facility of over 80000 square meters in Hangzhou Bay Industrial Park, Shangyu, Zhejiang Province, China.Yihe has ...