100% brand new and high quality Features: An actual start kit compatible 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 : ABS Power supply current: 1A Power supply voltage: 5V Power: 100W Size: 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 Module 1 x 400 Holes Breadboard 1 x Small Resistor Card 1 x 90 Degrees 40 Pin Header 1 x 40 Pin Header 1 x 9V Battery Connection for Ardunio 1 x 65 Jumper Wire 1 x Active Buzzer 1 x Passive Buzzer 1 x Relay 3 x 10k Adjustable Potentiometer 3 x 10k Potentiometer 1 x 10k Adjustable Potentiometer 5 x 100uf Electrolytic Capacitor 5 x 100nf Metal Capacitor 5 x 100pf Ceramic Capacitor 5 x 47uf Electrolytic Capacitor 5 x 22uf Electrolytic Capacitor 5 x 330up Electrolytic Capacitor 5 x 100pf Monolithic Capacitor 10 x 1N4007 Diode 10 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 resistor 5 x PNP Transistor (8550) 5 x NPN Transistor (8050) 2 x IRF520- 2 x RGB LED 8 x Big Key 2 x Read Header Cap 2 x Blue Header Cap 2 x Green Header Cap 2 x Black Header Cap 10 x White LED 10 x Red LED 10 x Green LED 10 x Orange LED 10 x Blue LED 1 x 20pin Female-to-male Dupont- Wire 1 x Project Box