ELG-300 series is a 300W LED driver featuring with constant current and Constant voltage mode design ELG-300 operates from 100~305VAC and offers CV mode or CC mode applications. Thanks to the high efficiency up to 94%, with the fanless design,the ambient temperature can be operated for -40℃~+85℃ case temperature under free air convection.he desian of meta housina and IP67 inaress protection level allows this series to fit both indoor and outdoor applications.Moreover the innovative environment- adaptive capability allows this series to reliably light on the LEDs for all kinds ofapplication environments in almost any spots that may installLED luminaires in the world.as to provide the optima design flexibility for LED lighting system.