1.Long lifetime,High luminous effece 2.No visible flicking,Low attenuation 3.Greem environmental protection 4. ... . Long lifetime: Average 100,000h, maintenance free throughout a year.2. High luminous effect: 65-90Lm/W3. CRI: > / = 80, more close ... Frequency(Hz)Input Voltage(V)Input Current(A)Protection GradeZM-DL-2-65W65W 50/60 220 0.30 IP65(Electric Cabinet)ZM ...