·       Dimensions: Diameter: 5.3" *, Height: 2.30"

·       Weight: 8.5 ounces (without batteries)

·       Operating Temperature: 32–100° F (0–37.8° C)

·       Humidity Range: 0% to 95% RH, non-condensing

·       Air Velocity: 1,000 ft./min. max.

·       Operating Voltage: 2.5–3.6VDC

·       Standby Current: 8.5 mA avg.

·       Alarm Current: 35 mA max.

·       Power Source: One 3V CR123A lithium Battery

·       Audible Output: 85 dB min. at 10 ft.

·       Fixed Temperature Heat Sensor: 135° F Fixed

·       Agency Listings: UL268 – Commercial and Residential