Nest Protect S3000BWES 2nd Generation Long Life Battery Smoke & Carbon Monoxide Alarm

SPECIFICATIONS :

Wireless : Working Wi-Fi connection: 802.11 b/g/n at 2.4 GHz Wireless Interconnect: 802.15.4 b/g/n at 2.4 GHz Bluetooth Low Energy (BLE)
Sensors : Split-Spectrum Sensor, 450 nm and 880 nm wavelength
               10 year electrochemical carbon monoxide sensor
                Heat sensor, ± 1.8°F (± 1°C)
                Humidity sensor, ± 3% RH
                Occupancy sensor, 120° field of view to 20'
                Ambient light sensor, 1-100k Lux Dynamic Range
                Omnidirectional microphone, 70 dBA SNR
Audible Indicator : Speaker: 2 W, 80 dB at 3' (1 m) at 1 kHz
                               Horn: 85 dB SPL at 10' (3 m)
                               RGB color ring with 6 LEDs
Requirements : Wi-Fi connection
                         Phone or tablet with iOS 8 or later, or Android 4 or later
                         Free Nest account 
Environmental : Installed Environment Temperature Range: 40 to
                          100°F (4 to 38°C)
                          Relative Humidity Range: 20 to 80% (non condensing)
Dimensions (HxWxD) : 5.3 x 5.3 x 1.5" / 13.5 x 13.5 x 3.9 cm
Weight : 13.4 oz / 379.0 g
Package Content :

Nest Protect Battery-Powered Smoke and Carbon Monoxide Alarm (White, 2nd Generation)
Screws
Back plate
Comes with 2-year limited warranty (detail inside)
User Guide
Box