Kidde 20SDR is a battery-operated photoelectric smoke alarm that uses two AA batteries and enhanced photoelectric sensing to detect smoke while reducing nuisance alarms from cooking or steam. It provides an 85 dB audio alarm and visual LED indications, signals smoke with three long beeps synchronized with a red LED, and includes a test/hush button and twist-and-click mounting bracket for tool-free installation.
Powered by two AA alkaline batteries (included); low-battery chirp and recommended replacement battery models specified.
Photoelectric sensor with enhanced nuisance alarm reduction to detect visible fire particles and smoldering fires.
Twist-and-click mounting bracket, built-in test/hush button, multi-color LED indicators, 85 dB alarm, and end-of-life notification at 10 years.
Product Highlights
Battery-operated photoelectric smoke alarm with 85 dB audio, multi-color LED status, test/hush function and twist-and-click mount.
Product Information
Standard Information
Brand: KIDDE
Manufacturer Part Number: 20SDR
Technical Specifications
Brand
Kidde
Model Number
20SDR
MPN
20SDR
Manufacturer Part Number
21032816
UPC
047871328161
GTIN
00047871328161
Power Source
2 AA replaceable batteries (battery powered)
Battery Type Included
2 AA alkaline batteries
Sensor Type
Photoelectric (enhanced sensing technology)
Alarm Sound Level
85 dB at 10 ft
Alarm Notification
3 long beeps and red LED blink when smoke detected; low-battery chirp with amber LED flash; alarm memory (red LED blink every 15 seconds)
LED Indicators
Green, amber, red
Test/Hush Button
Yes
Mounting Type
Twist-and-click mounting bracket
Dimensions
5.00" x 5.00" x 1.88" (L x W x H) - inches
Weight
0.57 lb
Operating Temperature
40°F (4.4°C) to 100°F (37.8°C)
Operating Humidity
Up to 95% relative humidity, non-condensing
Certifications
UL 217 10th Edition; FCC; ETL tested to meet UL 217 10th Edition and FCC standards
End-of-Life Notification
Audible end-of-life notification beeps at 10 years
Nuisance Alarm Reduction
Enhanced photoelectric sensing to reduce false alarms from cooking vapors or steam
Recommended Replacement Batteries
Energizer E91, Gold Peak 15A, or Golden Power GLR6A (do not use lithium batteries)