<ul><li>Light Source, Maximum Frequency: 1 Watt.<br>Grey Degree: 256 Levels. LED Qty: 12 pcs / varied with<br>models.</li><li>LED Lifetime 60,000 to 100,000 hrs Rated Life</li><li>Unique Features<br>- Protection grade of: IP65<br>- Isolating Grade of: Class II</li><li>Optional color choice of White, Blue, Green, Red, Yellow,<br>Orange, Yellow-Green or other optional applicable color<br>combination.</li><li>Working Environment : Temperature Usage: -40 degree<br>to 50 degree Celsius.</li><li>Electrical Power : Working Voltage : DC 13.5V or 12V<br></li></ul>