Pressing the button will light up the LED and play the same warning sounds as a real cockpit. For those who want to experience the warning sounds, or You can experience SIM at home. [Those who have the software can enjoy a sense of realism] Boeing 737 B737 Aural Warning Simulator Warning Sound Simulator Button Types (Warning Sound Types) 1. Master caution 2. A/P 3. Over speed 4. Fire warn 5. Pull up 6. Sink rate 7. Terrain 8. Wind shear Available for immediate purchase Shipped via Yu-Packet Post Mini ・Unused, but has been powered on once to confirm operation. ・Set of 2, one red and one blue. B737 Boeing Boeing JAL ANA Pilot Cockpit Airplane Aircraft Aviation Fan Aviation Fan Meeting Airplane Goods