... current:500mA or 1000mAOuter packing: 42X32.5X28.5cm 500pcs/carton; White box with PE bag & Blister inside; Stability precision: ±5%Efficiency: ≥85 ... -40°C Relative humidity: ≤ 85%, gas pressure :86-106Kpa Safe with constant current charging, pressure limiting,lower risks of over-current ... , NDSL, NDSi,ZEN,ZUNE,MP4 etcDetailed picture of car charger: 5w 5v1000ma mini usb car charger with CE approved