toroidal transformer, CSA, CQC, UL,VDE, ROHS complaint,Output votage( KHz): 30 V,Output power: 10W toroidal transformerCircumstance temp 0--+40 degreeAppearance &dimension: as imageInput voltage: 230VOutput votage( KHz): 30 VOutput power: 1000 WDC resistance: at 25 degree 2.5Ω ± 10%Combustion test: shall accord with UL 94-V0 standard