Smart Doorbell, Wireless Remote Video Doorbell Intelligent Visual Doorbell, Wireless Doorbell Camera, Home WiFi Rechargeable Security Door Doorbell, HD Night Vision, for Home & Office

? Product parameters: ? Product Name: smart doorbell ? Photosensitive: support ? Audio input: 1 channel ? Audio output: 1 channel ? Infrared drive: max. 50mA ? Charging power supply: D/C 5V ? Maximum resolution: 1080p ? Day night switching mode: automatic ? Sound acquisition: support ? Video transmission encryption: support ? Infrared lamp control: automatic, sensitivity level Adjust ? Wavelength of infrared lamp: 850nm ? Distribution mode: Bluetooth distribution ? ? Storage:Max 128GB SD Card (not support) ? Connection mode: 2.4GHz, WiFi ? Power supply mode: battery power supply ? Battery capacity: 1000mah ? 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% ? Doorbell machine size: 7.5x4.6x2cm/ 2.95x1.81x0.79 inch ? Dingdong machine size:6x2.7x0.5cm/2.36x1.06x0.2inch ? Package size:10x9x5cm/3.94x3.54x1.97 inch ? Gross weight: 175.3g/0.39 lb ? ? Package Includes: ? 1 x Doorbell Machine ? 1 x Internal ding-dong Machine ? 1 x Charging cable ? 1 x Adhesive installation aid ? 1 x Manual