Protect your loved ones while traveling. Innovative, no false alarm microprocessor technology. Easy, one touch testing. Designed for the rugged RV environment. 0.46A current draw. Detects LP gas/propane and natural gas. Power 12V AC, operational range 6-16Vs. White. Surface mount: 5-1/2 in.W x 3 in.H x 1-2/5 in.D. Three year warranty. UL and CSA listed. 1/box.