**Product Specifications:**
**Brand:** Aqara
**Compatibility:** Homeapp, Apple Home
**Wireless Protocol:** Wi-Fi 5 and below, 2.4GHz
**Third-party Services:** Provided by Aqara partners, subject to change
**Storage:** Event videos recorded in HomeKit can be stored in iCloud (requires user subscription)
**Model:** Aqara Smart Video Doorbell G4
**Features:** HomeKit Secure Video, real-time monitoring, two-way communication
**Privacy:** End-to-end encryption for video recordings, local AI facial recognition
**Power Source:** External power supply or 6 AA batteries (up to 4 months battery life)
**Camera:** 1080p resolution, 162° wide-angle lens, infrared night vision
**Installation:** 3M adhesive or screw mounting
**Additional Features:** Voice changer, visitor alerts, anti-tamper alarm
**Product Model:** ZNKSMLO1LM
**Wireless Connectivity:** Wi-Fi IEEE802.11b/g/n 2.4GHz
**Mobile Platforms:** Android 5.0 or iOS 10.3 and above
**Operating Temperature:** -18°C to 50°C
**Battery Specifications:** 6 AA batteries or external power supply
**Speaker Power:** 2W
**FAQ:** Supports Aqara Homeapp, Apple Home, no gateway required, up to 4 months battery life, easy installation, no internal storage, electronic invoicing available
Please note that the specifications mentioned above are based on the provided information.