OBS need idea for a internal therometer?

[kevinl34]

I bought an older model obs that doesnt have the temp. gauge on the door what could I used inorder to know what temp. the smoker is at?  thanks

[beefmann]

 a PID Controller that has a temp gage built in

[KyNola]

Perhaps a Maverick ET-73?  Dual probes, one for the meat, one for the box temp. Comes with a remote receiver so you can monitor the temp inside the box without going out to check.

[ArnieM]

Even a simple wired probe for 10 or 20 bucks.