How bad do I need this propane gas leak detector in my apartment

https://ibb.co/x98vQG8

Photo of the device ^

https://ibb.co/SwtJ5cdz

The adapter in the outlet^

I wanna remove it so I can plug in my microwave oven and rice cooker at the same time. I have no other spot to put them in and I’m worried using this adapter would cause a fire. This is the kitchen btw and there’s no other outlet here except this one

by seabitt