Reolink 2K+ Video Doorbell WiFi Smart Home Video

SPECIFICATIONS   function 3: Pre-Motion Recording   function 2: Person Detection function 1: noise reduction, echo suppression Working Environment: Temperature: -20℃~50℃; Humidity: <85% WiFi version: 2.4/5GHz WiFi Weight: 96g Video Resolution: 2560X1920 (5mp) @20FPS Storage: Micro SD card slot (Max. 256GB), works with Reolink NVR Smart home platform: Alexa,Google Assistant Size of Doorbell: 133mm(H) x 48mm(W) x 23mm(T) Quick Replies: Support Pre-Motion Recording: Support Power of WiFi version: Hardwired:12-24VAC 50/60Hz, DC 24V Power of PoE version: PoE:IEEE 802.3af, 48V Active;Hardwired:12-24VAC 50/60Hz, DC 24V Power: Electric Supply PoE version: IEEE 802.3af Number of Selectable Ringtones: 10 ringtones Material of Chime: ABS+PC Lens: f=2.26mm F=2.0, with IR cut Itercom: Yes Item Type: Video Doorbell Input of Chime: AC 100-240 V; 50-60 Hz Image Sensor: 1/2.7" IR-light: 2pcs, 850nm Field of View: Diagonal: 180°,Horizontal: 134°,Vertical: 97° Feature: Photograph,Video Ethernet: One 10M/100Mbps RJ45 Doorbell button: Yes Display: Color Connection Type: Wireless Certification: CE,FCC,RoHS Button of Chime: For setting up/selecting ringtones/adjusting volume Brand Name: Reolink Audio Interfaces: Built-in 2 microphones & a speaker Audio: Two-way audio Alarm: Yes