Product Details

Model: ZNCZ401KK. Smart plug with one socket, 10 A, and a China-standard plug. Master control switch; wireless connection; no USB or Type-C ports. Features overload protection, scheduling, and Wi-Fi. The product title mentions Wi-Fi 6 control, plug-in power monitoring, and Xiaomi HyperOS integration, and lists humidifiers, heaters, and electric blankets as suitable appliances.

Applies to: Xiaomi Smart Plug 4

Xiaomi Smart Plug 4 supports Wi‑Fi 6 remote control and can make traditional appliances smart. It supports Xiaomi HyperOS Connect, requires no gateway, can be controlled anytime and anywhere, and provides real-time electricity usage information.

Supports 2.4 GHz network connections. Set a power-off countdown in the app, or double-click to start the countdown. Made with V-0-rated flame-retardant material; described as meeting the new national standard and providing grounding protection. Dimensions: 52 × 41 × 57.6 mm.

Supports Wi-Fi 6 remote control without a gateway; the diagram specifies 2.4 GHz.

Uses MU-MIMO and OFDMA technology. The diagram indicates a 4.4% improvement in response speed and a 7.6 dB improvement in connection stability.

The smart plug can connect traditional home appliances to a mobile app for remote control and status checks. It supports 2.4 GHz Wi-Fi, but not 5 GHz Wi-Fi.

The body features an integrated design, allowing multiple sockets to sit side by side on a power strip. The stepped base is designed not to obstruct the switch.

Supports Xiaomi HyperConnect. Connect to the Mi Home app to manage home devices centrally and customize smart automations according to personal habits.

Supports smart voice control and can work with smart speakers, smart sockets, and fans.

Make a traditional dehumidifier smart and help prevent mold during damp weather and the plum-rain season.

When used with a smart speaker, appliances can be switched by voice, and scheduled or remote switching can be set. The Xiaomi smart speaker required for this linkage is sold separately.

Devices shown for linkage: Mi Home smart temperature and humidity meter, gateway, smart plug, and traditional dehumidifier.

The Mi Home app can display electricity and power statistics, with usage information available by day, week, and month.

The electricity information page displays current power, today’s electricity use, usage over the past week and month, and the number of on/off operations today. Electricity statistics are for reference; the electricity authority’s data is definitive.

Scheduling and countdown are local functions and continue to operate without a network connection; power is switched off automatically when the set time is reached. Set them in the app, or double-click the button on the socket to start a countdown to power-off. The app supports a maximum-power limit of 100–2500 W. Charging protection can be set to 2–600 W and automatically cuts power when the load falls below the set level.

The product has a child lock that can be set in the app to help prevent children from touching the power supply. It uses V-0 flame-retardant material, rated in the image at 750°C, and is described as quickly self-extinguishing when exposed to a flame.

The product is described as meeting the new national safety standards and having insulation sleeves on the plug pins. These features are intended to reduce the risk of accidental contact with live or neutral wires during plugging, unplugging, or everyday use, providing multiple layers of protection.

Product name: Xiaomi Smart Socket 4. Model: ZNCZ401KK. Net weight: approximately 69 g. Dimensions: 52 × 41 × 57.6 mm.

Specifications: 10 A max, 250 V~, 2500 W max. Operating temperature: -10°C to 40°C. Supports Android 8.0 or iOS 12.0 and later.

Applicable standards: GB 1002-2024; GB/T 2099.3-2022. CCC number: 2026010201886199.

Wireless connection: Wi-Fi IEEE 802.11b/g/n/ax, 2.4 GHz. Manufacturer: 东升智联（北京）技术有限公司. Address: Room 303, 3rd Floor, Building 7, Tianlinfeng, No. 1 Yongtaizhuang North Road, Haidian District, Beijing.

Package contents: Xiaomi Smart Socket 4 × 1; instruction manual × 1.