Built right here in North America since 1969 and many of our original propane detectors and traffic controls are still going strong.Heres what a few of our customers have to say:'The most reliable propane detectors we've ever handled'.Gary Peden, Dealer, Peden RV'We switched to Electro Systems and eliminated complaints about false alarms'.Richard Edmundson, OEM, Travelaire'Great pricing, hasslefree warranty and unbeatable support'.Claude Lapointe, Coast DistributionLoadingOur propane leak detectors improve safety in your boat or recreational vehicleFor over 40 years, weve engineered and built products right here in North America that make your travels just a bit safer.You can install our propane detectors in your boat or RV to protect you and your family from hazardous gas leaks. Choose the one thats right for you from selfcontained to remote sensing and automated propane shutoff. All 3 modesls are available in flushmount or surfacemount enclosures and all our products come with a hasslefree two year guarantee .Across North America, our traffic control electronics improve intersection safety and keep you movingAll of our products are engineered for quick, easy installation and extremely long service life two good reasons highways departments, traffic engineers and highways contractors across North America rely on us for unbeatable quality in traffic control electronics.Order tollfree by phone with VISA: 1.800.668.2254 or shop securely online with PayPal more... See more text