DC Power Adapter Converter 7.4*5.0mm Male to 5.5*2.1mm Female for DELLFeatures:1. Converter for universal laptop adapter power charger ,with chip insidecould charge battery special for DELL2. Tested before sale, high quality.Specification:Color: BlackConnector A: 5.5*2.1mm Female jackConnector B: 7.4*5.0mm Male plug with pin The size: Approx 54*17*13mm Power range: 65W-90WNote:Please allow 1-3mm differs due to manual measurement.Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. Included: 1 x DC Power Adapter Converter 7.4*5.0mm Male to 5.5*2.1mm Female for DELL