Smart Doorbell With Display Screen Low Power Wireless Video Doorbell Intercom Monitoring Directly Connected To Non WiFi Features: Product type: Intelligent visual doorbell Color:Black Image sensor: GC0328 Main control: 2.4G private net Display screen: 4.3 inch screen Recording resolution: 640 * 480 Battery: 800 mAh, permanent range of 1/2/3 months Memory: supports up to 256G/MJEPG format Audio information: built-in speakers, microphone Wireless mode: 2.4G privat net, transmission distance 1-150 meters Power supply information: DC5V/2A Infrared night vision function Working humidity: 10%~90% Gross weight:450g/0.99lb Doorbell size:8.5x5.3x2.5cm/3.3x2.1x1.0in Display sceen size:11.8x9.5cm/4.6x3.7in Package size:21x21x8cm Descriptions: No WIFI visible doorbell, 2.4G privat net, long transmission distance, more powerful signal, and more secure information; Wireless installation, one click pairing upon startup, making installation more convenient. Video two ways intercom, indoor unit 6 Dingdong music switching, long plug mode, response; The doorbell has low power consumption and long standby . The system automatically stores photos and inserts cards for automatic recording. 4.3 inch screen,full view display, infrared night vision function, clearly visible during the day and night;with clear and visible dynamics outside the door. The size is not large or small, and does not take up space. It can be placed without the need to open the door to view the real condition outside the door. With a screen display, it is more convenient. Visual intercom, seeing the person outside clearly, bidding farewell to blindly opening the door. Visitors press the doorbell button, and the indoor machine tinkles to display the real screen outside the door. It can achieve two ways video communication with visitors with one click. Reminder: This set includes a doorbell and indoor display screen. The doorbell and display screen are paired and directly connected, without the need to connect to WIFI or use a mobile app (cannot be connected using a mobile app). Package Include: 1*Doorbell 1*Display screen 1*Instruction manual 1*Charging cable