2.1MM DC Femal Panel Header Head Power Jack Connector For Arduino Gender: Female Suitable Plug Size: 2.1×5.5mm Technical Specification: Temperature: -30~70 deg C Rated Load: DC30V/1.0A Contact Resistance: <=0.03 ohm Insulation Resistance: >=100 Mohm Withstand Voltage: AC 500V?50Hz?/min Actuating Force: 3-20N