Once you have had a cooker like a Lang for a while you will realize the only thermometer you need most of the time is the Tel True you have on it. Digital probes are great too, but running them under the door is eventually going to wreck them, they are fragile. and unpluging them to open the door because you removed the Tel Tru for me is well not an option. I drilled a hole for when I need them and it works great, that is what I said in post #4 but once you have had your cooker for a while and get used to fire management, that is the learning curve, that and buy a Thermapen. you will probably realize you dont need them very much at all.