Xiaomi Mijia Smart Doorbell 4 Pro HD Video 150°Large Vision Cats Eye Camera Doorbell Long Battery Life Visible Doorbell Family Doorbell 4Pro Multifunction Wireless Portable USB Charging Home Doorbell Gift & Xiaomi Doorbell 4 Pro

Brand: XiaomiProduct Name: Xiaomi Smart Doorbell 4 ProModel:MJMLO4PBYRated Input: 5V-2AWireless Connection: Wi-Fi IEEE 802.11 b/g/n/ax, 2.4GHz, Low Power Bluetooth, 433MHZBattery Capacity: 9800mAhStorage Method: Cloud Storage+32GB eMMC Built-In StorageWorking Temperature: -10℃~45℃Charging Temperature: 0℃~45℃Support System: Android8 and iOS Above 12.0Executive Standard: GB 4943.1-2022Product Name: Smart Doorbell ReceiverModel: MJJSQ01BYRated Input: 100-240V~50-60Hz 0.04AWireless Connection: 433MHZWorking Temperature: -10℃~45℃Working Humidity: 10% -90% RH, No CondensationBrand: XiaomiProduct Name: Xiaomi Smart Doorbell 4 ProModel: MJMLO4PBYRated input: 5V-2AWireless connection: Wi-Fi IEEE 802.11 b/g/n/ax, 2.4GHz, low-power Bluetooth, 433MHZBattery capacity: 9800mAhStorage method: Cloud storage + 32GB eMMC internal storageOperating temperature: -10℃~45℃Charging temperature: 0℃~45℃Supported systems: Android 8 and iOS 12.0 and aboveImplementation standard: GB 4943.1-2022Product Name: Smart Doorbell ReceiverModel: MJJSQ01BYRated input: 100-240V~50-60Hz 0.04AWireless connection: 433MHZOperating temperature: -10℃~45℃Operating humidity: 10%-90%RH, non-condensing