Reolink Doorbell 2nd Gen (Battery)

Image Sensor	1/3" CMOS sensor
Resolution	2048 × 2048 (4 megapixels) @15fps
Video Compression	H.264/H.265
Lens	f=1.2mm, F=1.8
Field of View	Diagonal: 180° Horizontal:150° Vertical: 150°
Audio	Two-way audio
Battery	Up to 300 days of battery life (Based on 5-min recordings per day)
Live View/ Playback Resolution
Hardwired	Battery Power Mode: 8-24V AC, 24V DC Wired Power Mode: 16-24V AC, 24V DC
Power Port	USB Type-C port
SD Card Slot	Supports Max. 512GB microSD card
Reset/Power Switch	YES
Audio In/Out	Built-in 2 microphones and a speaker
Wireless Standard	IEEE 802.11 a/b/g/n
Operating Frequency	2.4 GHz/5 GHz
Wireless Security	WPA/WPA2
Protocols & Standards	SSL, TCP/IP, UDP, SMTP, NTP, P2P, ONVIF, RTSP (*Requires App 4.62.1+)
OS Supported	PC: Windows, Mac OS; Smartphone: iOS, Android
Smart Alarm	Motion detection; person/vehicle/animal detection; package detection; visitor detection
Recording Modes	Battery mode: motion-triggered recording; wired mode: 24/7 recording & pre-recording
Smart Home	Google Assistant; Alexa; IFTTT; Home Assistant* (*Direct connection supported; no Home Hub required.)
Cloud Storage	Supports Reolink Cloud (available in selected countries)
Rich Notification	YES
Quick Replies	YES
Tamper Alert	YES
Video Call	YES
Operating Temperature	-10°C to 55°C (14°F to 131°F)
Operating Humidity	10% ~ 90%
Weatherproof	IP65 certified
Dimensions	160.0 x 48.0 x 29.5 mm
Weight	231g