Nest Protect and CO alarm
$189
Free delivery†
$189
Free delivery†
Tech specs
Dimensions
Length: 13.4 cm (5.3 in)
Width: 1.6 in (3.95 cm)
Height: 13.4 cm (5.3 in)
Weight
Nest Protect Battery: 379.0 g (13.9 oz)
Nest Protect Wired: 375.0 g (13.2 oz)
Colour
White
Sensors
Split‑spectrum smoke sensor
Electrochemical carbon monoxide sensor (Nest Protect's sensor lasts up to 10 years from the date of manufacture.)
Temperature
Humidity
Occupancy (120° field of view up to 6 m [20 ft])
Ambient light
Accelerometer
Battery
Six long-life AA batteries
Battery model: Six long-life AA batteries (Energizer® Ultimate Lithium “L91”)
Wired model: Three long-life backup AA batteries (Energizer® Ultimate Lithium “L91”)
Wireless
802.11b/g/n (2.4GHz) Wi-Fi
802.15.4 (2.4 GHz)
Bluetooth Low Energy
Operating temperature
40ºF (4ºC) to 100ºF (38ºC)
The alarm should not be installed in locations where the normal ambient temperature is below 4 °C (40 °F) or exceeds 38 °C (100 °F). Humidity range: 20% RH to 80% RH (non condensing).
Audio
80 dB @ 3 ft (1 m) @ 1kHz
Speaker loudness: 80 dB @ 1 m (3 ft) @ 1kHz
Horn
85 dB SPL @ 3 m (10 ft)
Warranty
Two-year limited warranty
Two-year limited warranty. For help, visit nest.com/support.
Certification
Complies with safety standards set out by UL
Nest Protect has been tested to comply with safety standards UL 2034, UL 217, and NFPA-72 set out by UL and California State Fire Marshal.
External Buttons
RGB colour ring with 6 LEDs
What's in the box
Nest Protect: 2nd Gen Smoke + CO Alarm
Backplate
Four screws
User guide
Welcome Guide
Six long-life AA batteries (Battery model)
Three long-life backup AA batteries (Wired model)
120 V AC connector (Wired model)
Three wire nuts (Wired model)
Requirements
Wi-Fi connection.
Phone or tablet with iOS 8 or later, or Android 4 or later
Free Nest account.