Wireless Doorbell Smart WIFI Doorbell Smart Home Security Phone WIFI Video Door Bell Camera IR Night Vision Video Intercom WIFI Doorbell Smart Home Wireless Phone WIFI Video Door Bell Camera Security Video Intercom IR Night Vision For Apartments Description: Product model doorbell Main control model bk7252 Sensor model gc0328 Photosensitive support Audio input 1 channel Audio output 1 channel Infrared drive, max. 50mA MicroSD card holder does not support 2 keys: doorbell key and reset key 2 indicators: equipment status indicator and charging indicator Battery interface 1 way Charging power DC 5V Function and technical parameters Parameter description System architecture embedded FreeRTOS Maximum resolution VGA, 640 * 480 Video coding standard mjepg Audio coding standard g711 A Video frame rate VGA@20fps Day night switching mode automatic Video preview supports 1-way P2P Sound acquisition support Video transmission encryption supports AES Dingdong RF code EV1527 The infrared lamp is controlled automatically and the sensitivity level is adjustable Infrared lamp wavelength 850nm Distribution network mode distribution network Cloud storage support, three-day rolling storage by default Mobile detection support, sensitivity level adjustable Connection mode: 2.4GHz WiFi Power supply mode battery power supply Battery power detection support, voltage is lower than 3.4V, unable to wake up Firmware upgrade supports remote upgrade Operating temperature: - 10 ~ 45 Working humidity 95% Specifications: