High quality and with carrying case; excellent price; 37-in-1 sensors can meet most customer learning requirements - Color: Black - Material: Circuit board - Application: - Packing list: - 1 x Small passive buzzer module KY-006 - 1 x 2-color LED module KY-011 - 1 x Hit sensor module KY-031 - 1 x Vibration switch module KY-002 - 1 x Photo resistor module KY-018 - 1 x Key switch module KY-004 - 1 x Tilt switch module KY-020 - 1 x 3-color full-color LED SMD modules KY-009 - 1 x Infrared emission sensor module KY-005 - 1 x 3-color LED module KY-016 - 1 x Mercury open optical module KY-017 - 1 x Yin Yi 2-color LED module 3MM KY-029 - 1 x Active buzzer module KY-012 - 1 x Temperature sensor module KY-013 - 1 x Automatic flashing colorful LED module KY-034 - 1 x Mini magnetic reed modules KY-021 - 1 x Hall magnetic sensor module KY-003 - 1 x Infrared sensor receiver module KY-022 - 1 x Class Bihor magnetic sensor KY-035 - 1 x Magic light cup module KY-027 - 1 x Rotary encoder module KY-040 - 1 x Optical broken module KY-010 - 1 x Detect the heartbeat module KY-039 - 1 x Reed module KY-025 - 1 x Obstacle avoidance sensor module KY-032 - 1 x Hunt sensor module KY-033 - 1 x Microphone sound sensor module KY-038 - 1 x Laser sensor module KY-008 - 1 x 5V relay module KY-019 - 1 x Temperature sensor module KY-001 - 1 x Temperature sensor module KY-028 - 1 x Linear magnetic Hall sensors KY-024 - 1 x Flame sensor module KY-026 - 1 x Sensitive microphone sensor module KY-037 - 1 x Temperature and humidity sensor module KY-015 - 1 x XY-axis joystick module KY-023 - 1 x Metal touch sensor module KY-036 - 1 x Box CD Content: http://m2.img.dxcdn.com/CDDriver/sku.142834.rar