CARBON MONOXIDE IS A KILLER, Keeping safe when hot tent camping is a must do!! This carbon monoxide tester is just one on the market, link to the one I used in my video, ????????????? Carbon Monoxide Detector Carbon Monoxide Monitor CO Alarm Detector with Digital Display and Voice Warning Protect Your Home From Fire and Gas Leaks, Battery Powered by Upstartech https://www.amazon.co.uk/dp/B07BGX5SS3/ref=cm_sw_r_other_apa_i_tc1OEbYWZMETJ Hot tent camping video\'s ?????????? https://www.youtube.com/playlist?list=PLtwUBGcwyQ2ridcefw-tTHhE8yxo95fdl