*Nominal voltage
  Europe:
  12/24/50/120/230/400/690V
  America:
  12/120/208/240/277/480/600V
  AC (0~70 Hz), DC(±)
*Tolerance
  Light on at more than:
  a. 7±5V (12V LED)
  b. 18±5V (24V LED)
  c. 37.3±5V (50V LED)
*Response time
  <0.5s at 100% of each nominal votage
*Safety
  standard category:
  IEC: 61010-1
  GS: CAT  ∣∣∣ 690V
  ETL: CAT ∣V  600V
  Pollution degree: 2