100% brand new and high quality Features:An actual start kit for Arduino-.The most economical kit comes with everything compatible with Arduino- to starting programming for beginners .With a precision potentiometer, better quality, power supply module and breadboard and jumper wire and F-M dupont- wire led kit.Well-designed case for the package for you to store the components after finishing the experiment.Quick-responding technical support for free.Any question,Please don't hesitate to contact us.Compatible with Arduino- UNO, MEGA-, Raspberry Pi. Specifications:Material : ABSPower supply current: 1APower supply voltage: 5VPower: 100WSize: approx. 19x9cm/7.48x3.54in Note:No retail package.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes:1 x Power Supply Module1 x 400 Holes Breadboard1 x Small Resistor Card1 x 90 Degrees 40 Pin Header1 x 40 Pin Header1 x 9V Battery Connection for Ardunio1 x 65 Jumper Wire1 x Active Buzzer1 x Passive Buzzer1 x Relay3 x 10k Adjustable Potentiometer3 x 10k Potentiometer1 x 10k Adjustable Potentiometer5 x 100uf Electrolytic Capacitor5 x 100nf Metal Capacitor5 x 100pf Ceramic Capacitor5 x 47uf Electrolytic Capacitor5 x 22uf Electrolytic Capacitor5 x 330up Electrolytic Capacitor5 x 100pf Monolithic Capacitor10 x 1N4007 Diode10 x Resistor(100)10 x Resistor(220)10 x Resistor(330)10 x Resistor(560)10 x Resistor(1k)10 x Resistor(2k)10 x Resistor(4.7k)10 x Resistor(10k)10 x Resistor(20k)10 x Resistor(51k)10 x Resistor(1M)10 x Resistor(10M)5 x Photosensitive resistor5 x PNP Transistor (8550)5 x NPN Transistor (8050)2 x IRF520-2 x RGB LED8 x Big Key2 x Read Header Cap2 x Blue Header Cap2 x Green Header Cap2 x Black Header Cap10 x White LED10 x Red LED10 x Green LED10 x Orange LED10 x Blue LED1 x 20pin Female-to-male Dupont- Wire1 x Project Box