37 In 1 sensor module board set starter kits - products that work with official arduino boards The product is shipped based on the color or size of the main image of the product page. Kits list: 1 x Active buzzer module; 1 xPassive buzzer module; 1 xCommon cathode RED&GREEN LED module; 1 xTwo-color common cathode LED module; 1 xKnock sensor module; 1 xShock switch sensor module; 1 xPhotoresistor sensor module; 1 xPush button module; 1 xTilt switch module; 1 xRGB LED module; 1 xInfrared transmit module; 1 xRGB colorful LED module; 1 xHydrargyrum switch sensor module; 1 xColorful auto flash module; 1 xMagnet-ring sensor module; 1 xHall sensor module; 1 xInfrared receive sensor module; 1 xAnalogy hall sensor module; 1 xMagic ring module; 1 xRotate encode module; 1 xLight break sensor module; 1 xFinger pulse sensor module; 1 xMagnetic spring module; 1 xObstacle avoidance sensor module; 1 xTracking sensor module; 1 xMicrophone sensor module; 1 xLaser transmit module; 1 xRelay module; 1 xAnalog temperature sensor module; 1 x18b20 temperature sensor module; 1 xDigital temperature sensor module; 1 xLinear hall Sensor module; 1 xFlame sensor module; 1 xHigh sensitive voice sensor module; 1 xHumidity sensor module; 1 xJoystick PS2 module; 1 xTouch sensor module. Package included: 1 x Sensor module board set for (37 types in total).