Ghost Spell Idea?

I've always wanted a new spell added in COC. I think Ghost Spell would be a good idea.

GHOST SPELL (CAN BE UNLOCKED AT LVL 5 D FACTORY)

Cost(Lvl1): 95 Dark Elixir
Duration(Lvl1): 5 seconds
Range(Lvl1): 7 tiles
Housing Space: 2
Brew Time(Lvl1): 5 minutes
Targets: Ground
DESCRIPTION: Senses near traps for a certain range and time. Stay clear!

Cost(Lvl2): 105 Dark Elixir
Duration(Lvl2): 7.5 seconds
Range(Lvl2): 10 tiles
Brew Time(Lvl2): 6 minutes

Cost(Lvl3): 120 Dark Elixir
Duration(Lvl3): 10 seconds
Range(Lvl3): 13 tiles
Brew Time(Lvl3): 7.5 minutes

Thanks for watching this thread! Feel free to give me any feedbacks/ideas!

Just too be sure.
This spell allows he player/user to see traps right. Cause it's not very clear in your description.