Xiaomi Smart Dorbell 3

Top Wi-Fi standard: 802.11b/g/n | Wi-Fi band: Single-band (2.4 GHz) | Operating temperature (T-T): -10 - 45 °C | Rated voltage: 5 V | Connectivity technology: Wireless | Depth: 23.5 mm | Height: 128 mm | Battery capacity: 5200 mAh | Product colour: Black | Operating relative humidity (H-H): 10 - 90% | Width: 60 mm | Infra-red wavelength: 940 nm | Voice call: Yes | Package contents: Bell | Package contents: User manual | Package contents: Mounting kit | Package contents: Charging cable | Cloud recording: Yes | Operating frequency (RF): 433 MHz | Charging temperature: 0 - 45 °C