Perun ETU++ MOSFET for G&G ETU Gearboxes color-desert With an appropriate setup

With an appropriate setup

ejection port cover and rear suspension plate and slide for the stock are made of steel

Padded mesh lining

Burst mode

Two ledges in the packing are steady of the BB's trajectory

Perun ETU++ MOSFET for G&G ETU Gearboxes color-desert With an appropriate setupFeatures Electronic burst Active brake with adjustable braking power Precocking with spring release feature Rate of fire reduction DMR mode Low battery voltage alarm Programming supported with a multicolor LED diode Diagnostic system & electronic resettable fuse ETU++ is a dedicated replacement for G&G ETU electronic board. It enhances your trigger unit by adding many new, useful features. Simply disconnect the stock electronic board and plug in