Help your customers update their RV LP Gas alarm to a combination CO/LP Gas alarm. Replace old MTI Safe-T-Alert model 30-442 flush mount gas detectors and CCI Controls models 7770 and 7773 with a single alarm for both LP gas and carbon monoxide. Replaces all models and years of Fleetwood RVs. 12V wire-in. Detects CO and LP gas/propane. Operational range 7-16V. UL/CSA listed. Flush mount White: 6-3/8"W x 2-7/8"H x 1"D. 1 year warranty.