1. Push Button x5
2. Light Blocking Sensor Module x1
3. Reed Switch Module x1
4. Magnet x1
5. Gikfun MC-38 Wired Door Sensor Magnetic Switch x1
6. PIR Motion Sensor Module x1
7. IR sensor module x2 (Total Quantity: 2 now + 2 afterwards)
8. TCRT5000 IR reflex Tracking Sensor x2 (Total Quantity: 2 now + 2 afterwards)