Constant Voltage.;

Wide Input Voltage: 100-277Vac;

Protections: Over-voltage,Over-Current, Over-temperature, Short-circuit, ect;

Working temperature: -25°℃-+60C, must be derating use when 60°C;

Typical efficiency up to 89.5%;

IP67 Waterproof,suitable for Dry, Wet, in the Rain and a watery environment;

Aviation grade Metal Case;

2/3/5 years warranty time.