you can just add this to the buzzer
Square 27W Super Duty High Powered LED Flood Light
4.5 inch Square High Powered LED Flood Light. 6 x 4 Watt High Power Cool White LEDs. 10~70VDC operating voltage range
https://www.superbrightleds.com/more...ight/992/2408/
or the cheaper one
https://www.superbrightleds.com/more...ight/845/2110/