First Alert 1039885 CO250RVA Battery Powered Carbon Monoxide Alarm, UL/RV Approved GROUP+ambassador-marine-1-1-2-drain-flip-trap-sink-drain-no-overflow-3-4-and-1-hose-barb Extended vessel battery life when

Extended vessel battery life when under sail

2 litre/min

Teardrop Design: Offers superior comfort and stability while underway

comes with both a swage terminal and a locknut

First Alert 1039885 CO250RVA Battery Powered Carbon Monoxide Alarm, UL/RV Approved GROUP+ambassador-marine-1-1-2-drain-flip-trap-sink-drain-no-overflow-3-4-and-1-hose-barb Extended vessel battery life whenEquipped with an electrochemical carbon monoxide sensor, a test switch, an 85 decibel horn, and a red LED power indicator, this carbon monoxide detector warns you to the presence of carbon monoxide. Hinged Cover Design Allows for fast, easy installation and battery replacement Silence Feature Silence unwanted alarms. Test alarm with the same button. Tamper Resistant Locking Pin locks alarm to to base to prevent removal of battery 9V alkaline battery