1.AC/DC charger all plugs available. 2.producing charger for 13 years 3.5th year ... Supplier in charger 4.UL CE GS SAA PSE AC/DC adapter 5W with USA, European, UK, Australian, Korean,China,etc ... protection,over current protection,short circuit protection,over hot protectionac dc adapter working temperature: -10C - 40Cstorage temperature: -40C --- 70Csecurity certification: UL ...