ITEM NAME:110V/220V to DC 12V 2.5A 30W Voltage Stabilizer Transformer Switch Power #gib Store Home Promotion Hot Item Add to Fav.Add to Fav. Security Standard: GB4943 UL60950-1EN60950. Weight: approx. Size: approx. 85 X 57 X 33 mm/3.35 X 2.24 X 1.3 in. Altitude: ≤2000M. Storage Temperature: -40 °C - 50 °C/10% - 90% RH no congeal.