Airsoft ETU control unit from manufacturer Delta Armory.

ETU stands for electronic trigger unit, which means electronic trigger unit.

ETU unit allows you to set the following functions:

Pre-cocking - spring preload - faster response when the trigger is pulled
Binarytrigger - double shot - when the trigger is pulledthe gun fires once and when the trigger is released it fires a second time
Burst mode - triple burst firing can be set

Battery connector: Deans T

Take a picture of the QR code attached to the wiring harness and visit the page for instructions on how to set up the ETU unit.

Weight: 20g