1.Description: It is a 620pcs XH2.54 Connector Kits.They are the basic common electronic components that can meet the basic circuit requirements and play a very important role in circuit design and experiment.It contains different values which is especially suitable for occasions where the demand is small but there are many experimental items. 2.Features: 1>.Contains multiple parameter values 2>.Every quantity is right 3>.Basic electronic components 4>.Dedicated shell packaging 3.Parameters: 1>.Product name: 620pcs XH2.54 Connector Kits 2>.Product type:13-Kinds 3>.The total number:620pcs 4>.Work Temperature:-40℃~80℃ 5>.Work Humidity:10%~90%RH 6>.Box Size:175*105*22mm 4.Application: 1>.Design and experiment circuit 2>.Beginner circuit learning 3>.Laboratory electronic experiment 4>.DIY design 5>.Repair and replacement circuit