Your species type is a construct but you count as a humanoid for spell, magic, and item effects

Either by natural or artificial means you have the ability to see in the dark , but can't discern colour in darkness, only shades of gray.

At level 5 you can choose between the following two options:

Supplemental Carapace gaining +1 to your Armour Class.

Resistant Skin gaining resistance to one damage type

At level 7 you can choose between the following options:

Secondary Heart allowing you to gain 1d12 Temp HP per day.

Weave Webbing granting you a +1 bonus to your spell attacks.

Lateral Line allowing you to sense your immediate area with 5 foot of blindsense.

At level 11 you can choosing between the following:

Wings granting you a flying speed equal to your walking speed. You can’t use this flying speed if you’re wearing medium or heavy armor.

Long-Limbs giving your reach for melee attacks 5 feet greater reach.

Secondary Arms which can manipulate an object, open or close a door or container, pick up or set down a Tiny object, or wield a weapon that has the light property.

Enhanced Jumps which as a bonus action, you can jump a number of feet equal to five times your proficiency bonus with provoking opportunity attacks.