Broke open free gold digital... Someone help..??

Okay before I start please no negative comments..... I know you are not suppose to take them apart and what not! But my test said no and just out of curiosity I broke it open seen how the test worked lol but then at the bottom there was a test strip that looks EXACTLY like the normal frer test strip! And there is an every so faint line ( I think) I am 8-9 dpo.... Could it be right?? Here is the test strip please someone ENLIGHTEN ME! Lol