Better turn on your player's language caption to follow what Reapers Airsoft got to say about the G&G L85 A2 AEG with ETU and MOSFET with a SUSAT installed in this hour-long video review... "Hello people, today I have the G & G L85 A2 for you in the video. With this model, the G & G ETU with Mosfet is already installed from the factory and is powered by the very powerful G&G Ifrit 25K motor.