airsoft timer mine

bulit for this:
https://www.aliexpress.com/item/1Pcs-Super-Loud-120dB-Sound-Alarm-System-Compact-DC-12V-Indoor-Siren-Durable-Wired-Mini-Horn/32858875547.html?spm=a2g0s.9042311.0.0.27424c4dovbl06

https://www.aliexpress.com/item/1-Piece-Heavy-Duty-Toggle-Flick-Switch-ON-OFF-Light-Switch-Interruptor-12V-Car-Dash-Light/32865771722.html?spm=a2g0s.9042311.0.0.27424c4dovbl06

https://www.aliexpress.com/item/DC-12V-Digital-Cycle-Timer-Delay-Relay-Board-Module-with-Dual-Time-Red-Blue-LED-Display/32