Murder drones age similar to human up till around 40 but some stop at an earlier age. after that they the stay the same as long as they live and have spare parts

they average 80kg but lighter models are 60kg

You know common and can learn languages twice as fast as other races if you have a person to teach you. You can display messages that you understand or have seen and show images if you can make a DC10 history check if it is a while ago (DM's discretion)

You are a Construct Not of this world.

you are around 5-6 feet and a medium size.

You have a fly, walk and swim speed of 30 (water resistance).

You can use it as action but has a 10 turn cooldown. This does 2d6 acid damage afflicts poison and does damage equal to you proficiency modifier times 2 every turn. Make an attack to hit and then a grapple check

this attack has a +5 to hit and deals 3d12 force damage. You lose your next turn's bonus and regular actions. This has a 10 turn cooldown.

You can use a long rest to convert a weapon into your body. you can use a bonus action to swap between hands, claws (1d6), weapons (one handed only until level 5). some special weapons you can unlock is: smg 30/6o range 1d6 damage convert arrowheads to bullets (can do 10 every long rest), chainsaw 1d12 damage and siphons some oil every 2 turns of use. You are proficient with these weapons and have disadvantage to disarm checks but if disarmed it is cut off and you can use it with hands but has disadvantage to attacks unless you use an action to fix it enough to weild. to Reattach must spend a long rest and requires metal.

you have immunity to poison damage (ingested or administered) and enemies have disadvantage on charming you or putting you to sleep. You instead of sleeping shut down for 5 hours.

At level 3 you can fly with a fly speed of 30ft but if in direct light you must make a DC 12 con save if you fail you descend safely and are unable to use your flight in direct sunlight for 20 minutes if you succeed you can fly for 5 minutes before making another check

They have a natural Ac of 11+dex but they don't add dex scores if wearing armour

you get a plus 1 to con or strength based on build.

You have disadvantage on first attack rolls and on any Wisdom (Perception) checks that rely on sight when you, the target of your attack, or whatever you are trying to perceive is in direct sunlight. You do not have disadvantage on 3 subsequent attack roles as long as you attempt to fight every turn and aren't charmed, unconscious, deafened, petrified or decapitated. This is due to your bloodlust keeping you in the fight.

you cannot heal in direct sunlight

you must drink a gallon of oil every day or blood as a substitute. if you go 5 days without all oil healing will not work and after 10 days you take 2 times the days without oil after 9 days every hour.

when above 3/4 health rounded down you get advantage in nature, and perception checks when tracking creatures and animals only if you have animal handling proficiency. Also gives proficiency in those ability checks.

when below 50/% rounded down you gain 1 hp every minute till you reach 50% (except when one hp)

You can get proficiency on intimidation if you are scary or persuasion if you are pleasant.