Check the listing for details. GasKnight 2.0 Natural Gas Detector & Propane Detector w LCD Display NEW. Condition: New. Listed at 34.99 USD. Long Lasting With High-Quality SensorsThe GasKnight 2.0 has an LCD screen that displays precise, real-time gas % readings so that you know the exact gas concentration in the air of your home at all times.EXTREMELY LOUD (>85 dB) alarm will call out the gas leak with an impossible-to-miss siren. The GasKnight 2.0’s average life span = 3 years.✅ 𝗣𝗥𝗢𝗧𝗘𝗖𝗧 𝗬𝗢𝗨𝗥 𝗙𝗔𝗠𝗜𝗟𝗬 𝗧𝗢 𝗧𝗛𝗘 𝗠𝗔𝗫! – The All-In-One GasKnight 2.0 natural gas leak detector detects these main deadly gases once an 8% LEL is reached: 1. Natural gas (Methane, butane, ethane, LNG, etc) and 2. Propane (LPG or liquefied petroleum gas).✅ 𝗚𝗘𝗧 𝗜𝗡𝗦𝗧𝗔𝗟𝗟𝗔𝗧𝗜𝗢𝗡 𝗙𝗟𝗘𝗫𝗜𝗕𝗜𝗟𝗜𝗧𝗬 - This propane alarm has an extra-long 6 foot power cord which allows you to install it in the exact ideal location in your house to allow for proper gas detection✅ 𝗚𝗘𝗧 𝗠𝗔𝗫𝗜𝗠𝗨𝗠 𝗣𝗥𝗘𝗖𝗜𝗦𝗜𝗢𝗡 – The GasKnight 2.0 has an LCD screen that displays precise, real-time gas % readings so that you know the exact gas concentration in the air of your home at all times.✅ 𝗦𝗧𝗔𝗬 𝗦𝗧𝗬𝗟𝗜𝗦𝗛 – This newly released natural gas alarm is sleek and modern and has a beautiful blue LCD screen that will complement the style of your home or camper without detracting from your interior design.✅ 𝗛𝗔𝗣𝗣𝗜𝗡𝗘𝗦𝗦 𝗚𝗨𝗔𝗥𝗔𝗡𝗧𝗘𝗘𝗗 - In plain English, if you don't like your GasKnight 2.0, we'll refund your money. We are an American company. FREE 18 MONTH WARRANTY AVAILABLE. ORDER YOURS TODAY!