Quantity 8 Piece Color Black Material ABS Compatible Models Power adapter Connector 7.9mm with pin IBM female Dell 3-pin female 6 x 4mm 6.4 x 3.0mm 5.5 x 2.1mm 5.5 x 1.7mm 4.8 x 1.7mm-HP 4.8 x 1.8mm Other Features 8 PCS set 5.5 x 2.5mm male to 7.9mm with pin female for IBM ; 5.5 x 2.5mm male to 3-pin female for Dell ; 5.5 x 2.5mm male to 6 x 4mm female; 5.5 x 2.5mm male to 6.4 x 3.0mm female; 5.5 x 2.5mm male to 5.5 x 2.1 female; 5.5 x 2.5mm male to 5.5 x 1.7mm female for Acer; 5.5 x 2.5mm male to 4.8 x 1.7mm female for HP; 5.5 x 2.5mm male to 4.8 x 1.7mm female for HP; Converts the 5.5 x 2.5 plug to use for laptop monitor PDA MID cellphone MP3 / 4 / 5 mobile DVD GPS stereo system digital photo frame digital camera video camera combined telephone set game console; tools language repeater; LED light LCD message display anti-theft system communication equipment security products electronic instrument etc. Packing List 8 x Adapters