Product description: Led 420pcs Input voltage(ac)ac85-125v Ac165-245v Output voltage(dc)dc36-37.6v Hz50½60hz View angle120 Working temperature35½+45 Keep temperature-30½+45 Using temperature-30½½40 Humidity 90% Cri81ra Power22.0w-23.0w Lifespan40k-60k hours Size 30mm 1500mm Lm2100lm-2500lm Colour temperature2500-8000k (warm white/daylight /cool white) Lux¿2m distance Left 1m: 80lux Left 2m: 42.3lux Middle: 108.2lux Right 1m: 77.6lux Right 2m: 39.2lux Application: 1.Workshop, supermarket, school, office, building, hospital, square, parking and so on. It is the green lighting and saving energy by 70%. Install instruction: 1.Suitable for the traditional fluorescent tube. 2.Take down the "starter and electronic ballast" when you replace the traditional tubes into led tubes . Size:160*36*31cm Weight: 498.6g