Feature: 1. More Than 200 Components: The complete starter kit contains more than 200 components, high quality and compatible with IDE 2. Free PDF Tutorial: With the free PDF tutorial (over 35 lessons) in the CD, to show you how to use, you can use with confidence 3. With Header: This complete starter kit has LCD1602 module with header (non need to solder yourself) 4. Beautiful Packaging: Beautiful packaging, a small box, used to place small parts such as LEDs, ICs, buttons, diodes, etc. 5. Value Starter Kit: This is the most complete starter kit, the value starter kit, and easy to use, can meet your needs Specification: Item Type: Complete Ultimate Starter Kit Material: PCB+Metal US Standard Plug: AC 100-240V 50/60HZ DC 9V 1A Supporting Battery: 1604D 6E22 9V Dry Battery 500mAh (Supporting) Remote Control Battery: CR2025 2.0V 170mAh (Built in) Clock Module Battery: CR20232 3.0V 240mAh (Built in). Package List: 1 x Power Supply Adapter1 x Relay1 x Tutorial CD1 x USB Cable1 x 1 Digit Digital Tube1 x Remote Control (with CR2025 battery)2 x 74HC595 Chip2 x 10UF 50V Capacitor2 x 100UF 50V Capacitor2 x Potentiometer2 x Buzzer2 x Photoresistor2 x 10pin Jump Wire1 x 4 Digit Digital Tube5 x 104PF Ceramic Capacitor5 x 22PF Ceramic Capacitor5 x Diode5 x Button Switch1 x 9 V Dry Battery10 x PN2221 x 64PIN Jump Wire1 x DHT-11 Temperature Humidity Sensor1 x LCD1602 Module1 x Dot Matrix Module 9 (with a Line)1 x R3 Development Board1 x IC Sensor Module Kit (1 Module + 1 IC Card + 1 Access control Card + 2 Pin Headers)1 x RGB Light1 x Key Module1 x Stepper Motor1 x Stepper Drive Module1 x Joystick Module1 x Ultrasonic Ranging Module1 x Battery Connection Cable1 x Capacitor1 x Power Supply Module1 x Servo Kit (1 Servo + 3 Screws + 3 Fan Blades)25 x LED (5 Colours for Each 5)1 x Infrared Receiver Module2 x Nut2 x Washer1 x Motor1 x Breadboard1 x Breadboard Expansion Board (with a Small Breadboard)1 x Human Infrared Sensor Module1 x Fan Blades1 x Sound Module1 x Clock Module (with CR2032 Battery)1 x Water Level Sensor Module1 x gyroscope 6DOF module (with 2 Pin Headers)1 x Rotary Encoder Module100 x Resistance (10 kinds of 10 Each: 10Ω 100Ω 220Ω 330Ω 1KΩ 2kΩ 5.1KΩ 10KΩ 100kΩ 1MΩ)1 x Storage Box Note: Set have US standard plugs, plugs in other regions need to be purchased separately by customers