You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can’t discern colour in darkness, only shades of gray.

You know both Common and Spider Speak. Spider Speak is the Language used by all intelligent spiders.

add 1 to your constitution and 2 to your dexterity 

you have resistance to fall damage below which means you only take half damage when you fall less than 60ft

you produce a sticky substance from your appendages that allows you to scale walls and ceilings with ease. you can use this ability in an amount equal to your ability score modifier per long rest.