Product Description SA-339 White RV Battery Powered CO2 DetectorFeatures:Easy to installBattery PoweredColor: WhiteIdeal for RVsSensor detects Carbon Monoxide Gas Safe-T-Alert SA-339 White RV Battery Powered CO2 Detector at Everest Browse all Everest deals $79.95 In Stock at Everest Buy Now at Everest Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Safe-T-Alert Safe-T-Alert