Xiaomi Smart Doorbell 3S – 2K Video, 180° Wide-Angle, IP65 Weatherproof, Long Battery Life

The Xiaomi Smart Doorbell 3S is a premium smart home security solution that combines ultra-clear 2K resolution, a 180° diagonal wide-angle lens, and AI motion detection to deliver complete doorstep monitoring. Whether day or night, rain or shine, this doorbell ensures reliable performance with its IP65 waterproof rating and infrared night vision.

Powered by a 5200mAh rechargeable battery (lasting up to 4.2 months per charge under lab conditions) or hardwired power, it provides flexible installation options. Enhanced with end-to-end video encryption, a forced removal alarm, and free 72-hour rolling cloud storage, it ensures your home is secure and your privacy protected. With two-way audio, voice assistant compatibility (Alexa & Google Assistant), and an included indoor chime, the Smart Doorbell 3S delivers convenience, security, and peace of mind in one compact device.

Key Features

• 180° Ultra-Wide View – Diagonal 180° lens with 107° vertical coverage for full-body and package visibility.

• 2K Ultra-Clear Resolution – Crisp, detailed video capture surpassing standard 1080p.

• Night Vision with 940nm Infrared LEDs – Adjustable IR night vision for clear images in low light.

• IP65 Waterproof & Dustproof – Built for outdoor durability in all weather conditions.

• Dual Power Options – Rechargeable 5200mAh battery or hardwired 8–24VAC continuous power.

• AI Motion Detection – Human-shape recognition with customizable zones for accurate alerts.

• Advanced Security Protection – Encrypted video streaming, Xiaomi security chip, and forced removal alarm.

• Free 72h Cloud Storage – Rolling cloud storage included, no extra subscription needed.

• Two-Way Audio – Communicate with visitors in real-time via smartphone app.

• Wireless Indoor Chime – Adjustable volume with “Do Not Disturb” mode.

• Smart Assistant Integration – Compatible with Amazon Alexa and Google Assistant for hands-free control.

Specifications

General

• Model: MJML07-FJ

• Dimensions: 146 × 52 × 29 mm

• Weight: Lightweight, compact design

• IP Rating: IP65 (dust and water resistant)

Camera & Imaging

• Resolution: 2K Ultra HD

• Lens: 180° diagonal, 107° vertical

• Night Vision: 940nm infrared LEDs

Power & Battery

• Battery: 5200mAh lithium battery (typical)

• Battery Life: Up to 4.2 months per charge (lab tested)

• Charging: USB Type-C 5V⎓2A

• Hardwired Power: 8–24VAC, 10–40VA

Connectivity

• Wireless: Wi-Fi IEEE 802.11b/g/n 2.4GHz

• Frequency: RF 433MHz

Audio

• Communication: Two-way audio

• Chime Model: MJJSQ04-FJ

• Chime Dimensions: 60 × 60 × 39.6 mm

Storage & Security

• Cloud Storage: Free 72-hour rolling storage

• Security: End-to-end encryption, Xiaomi security chip, forced removal alarm

Operating Conditions

• Temperature: -20°C to 50°C

• Humidity: 10%–90% RH (non-condensing)

Package Contents

• Doorbell ×1

• Mounting Base ×1

• Angle Holder ×1

• Wireless Indoor Chime ×1

• Removal Pin ×1

• Charging Cable ×1

• Screws & Plugs ×1

• Extension Wires ×1

• Insulating Cap ×1

• User Manual ×1

• Warranty ×1

• Security Sticker ×1