Photoelectric Smoke & Carbon Monoxide Detector, Battery Operated Oscillating Tool Accessories Includes: two 20-Volt Max compact

Includes: two 20-Volt Max compact lithium-ion battery packs

weather stripping

includes 5/16" & 3/8" threaded rod

base configuration with patented knock out technology for custom fitting

covers approximately 30-70 sqft per gallon

Photoelectric Smoke & Carbon Monoxide Detector, Battery Operated Oscillating Tool Accessories Includes: two 20-Volt Max compactWhite, Photoelectric Carbon Monoxide & Smoke Detector, Photoelectric Smoke Sensor Reduces Nuisance Alarms, Slim, Round Design, 40' Detection Range, Features A Test Silence Button, 85 Db Alarm Loudness, Uses 2 "AA" Batteries, Included, UL Listed, 7 Year Limited Warranty, Clamshell.