Input voltage range:90-264V AC,
Input Frequency Range: 47-63HZ,
Low power consumption: <0.75W,
Over Voltage Protection: 120%-140%,
Over Circuit Protection: 110%-150%
Short Circuit Protection: power will return to normal once got rid of short circuit
Water-proof Grade: IP67/68,
Lightning-proof Grade: L–L 4000V; LN–G 6000V,
Environment: -40℃—70℃,
Accuracy: 3%,
MTBF: 50k hours,