First Alert Wa100 Battery Operated Water Alarm

WA100 Features: -Includes 9 volt battery backup for peace of mind during power outages. -Water alarm. -Compact design. -Easy installation and maintenance. -Alarm signal lasts up to 72 hours. -Splash and water resistant. Orientation: -Wall/Ceiling Mounted. Power Source(s): -9V Battery. Mounting: -Wall. Product Type: -Carbon Monoxide Detector. Generic Specifications: -Loud 85db alarm. Dimensions: Overall Height - Top to Bottom: -3.9". Overall Width - Side to Side: -2.4". Overall Depth - Front to Back: -1.3". Overall Product Weight: -0.53 lbs.