You can not wear armor, but you can have the armor professionally integrated into your chassis over the course of a long rest. This work must be done by someone proficient with astrotech’s implements. You must be proficient in armor in order to have it integrated.

You are resistant to necrotic, poison, and psychic damage, and are immune to poison and disease.

You do not need to eat, drink, or breathe. Additionally, you no longer require a tech focus to cast tech powers.

You are vulnerable to ion damage. Additionally, you have disadvantage on saving throws against effects that would deal ion or lightning damage.

While droids can be manipulated by many force powers, they can not sense the Force. You can not use force powers or take levels in forcecasting classes.

Rather than sleep, you must spend 3 hours performing routine maintenance during a long rest to gain its benefits, during which you have disadvantage on Wisdom (Perception) checks. Additionally, if your long rest would be interrupted, you only need to complete the long rest instead of restarting it.

You are built with internal repair mechanisms. As a bonus action, you can choose to spend one of your Hit Dice to recover hit points.