1. : 40pcs, 20 pair, 20pcs 4-pin 2.0mm female connection plug, 20pcs 4-pin PH 2.0 male connection plug. Suitable for use, easy to install. 2. LENGTH OF WIRE: Each adapter has two wires, and they are all similar. 150mm/5.9 inches in length, the cable wire type is 26 AWG. The specifications are general and standard, suitable for general use. 3. CABLE TYPE: 2mm-4P pitch(Pin / hole). For JST PH 4 pin -connector fits well with plug, easy to install and use. Terminal spacing is 2.0 mm/ 0.08 inch, the pins are sturdy, will not loose . 4. Tinned copper wire, plastic head at each end. 5. HIGH QUALITY AND WIDELY USE: It adopts environmental protection materials, cold and high temperature resistance, , durable, widely used in electrical appliances, automobiles, robots, lighting, LED strips,toys, PCB control panel, speakers, audio, batteries, toys, household appliances, etc. Suit well for batteries balance charger plug, for JST PH 2.0 4-pin are good partners for helicopter, quadcopter, air plane, boat and car controller. Material:PVC lead-free polyvinyl chloride colour:Red+Yellow+White Package Contents: 20 * female connection plug 20 * male connection plug Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.