Product Name: Double color light
Product Descriptions: Notice for fixing and maintain

1. Surrounding and temperature in point: -30ºC~+50ºC, humidity RH60%~RH80%
2. Power supply is permitted to fluctuate ranging from +4% to -4%, the light life can be effected if exceed the range, even can not be ignited and burnt out.
3. When lamps are used, all of them can not disobey the fire-defending rules.
4. Make sure that cut off power supply before maintenance