1.1602 I2C 1602 replaced the screen to control it more convenient,2.New RFID module and RFID keychain and white card,3. Added DS1302 clock module,4. New of the sound detection module,5.New temperature and humidity module,6. New water level detection module,7. Added 4 * 4 keypad module8. New of 8 * 8 dot matrix moduleColour:Photo ColorMaterial:plasticPackage Contents:1 x for Board1 x USB Cable1 x Jump Cable1 x Breadboard5 x LED Light1 Pack x Resistor1 x Female to male dupond line1 x Potentiometer1 x Buzzer1 x 74HC5951 x Infrared receiver1 x LM351 x Flame Sensor1 x Ball Switch1 x Photoresistor1 x Key button1 x Remote control1 x 4digit display tube1 x 8 x 8 Dot matrix module1 x 1digit display tube1 x Stepper motor driver board1 x Stepper motor1 x 9g Servo1 x IIC 1602 LCD1 x XY joystick module1 x Temperature module1 x Water test module1 x RFID Module1 x RFID keychain1 x RFID White card1 x Sound Module1 x Relay Module1 x Clock Module1 x 4 x 4 Key board1 x RGB 3 color module1 x 9V battery SnapOnly the above package content, other products are not included.Note: Light reflection 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 +/ 13cm.