Summary

Buzzer/LED mount for most Tomoquads frames that uses single center standoffs at the back .

Get the frames at www.tomoquads.com

Buzzer can be purchased here:
https://www.banggood.com/Super-Mini-1_38g-WS2812-Colorful-LED-with-5V-Active-Alarm-Buzzer-Support-Cleanflight-Betaflight-p-1131891.html?rmmds=search&cur_warehouse=CN