Zigbee Door Sensor - Tuya Compatible Battery Wireless
$9.99
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ZBZigbee
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Details
Snap this to any door or window and get instant Zigbee 3.0 events in your automation stack. No wiring, no hub subscription, no cloud required if you run your own coordinator. Reed switch triggers fire the moment the two halves separate past 15mm.
Pairs directly with Zigbee2MQTT, Home Assistant ZHA, or Hubitat without touching the Tuya app. The Zigbee 3.0 mesh protocol lets it route through other Zigbee devices on your network, so distance to your coordinator is rarely a problem. CR2032 battery powers it for months of daily triggers.
Things to build with this
- Use the open/close event stream in Zigbee2MQTT to publish MQTT topics, then write a Node-RED flow that cross-references your calendar API and only sends a phone alert if a door opens during a time block marked 'away'
- Wire the close event into a Home Assistant automation that reads your thermostat's current mode and suppresses heating or cooling calls whenever this sensor reports a window as open, cutting HVAC runtime without any manual override
- Pair three of these with a Zigbee coordinator and a small display board to build a visual door-state dashboard using ZHA's websocket API, polling each sensor's last-changed timestamp to show which entry was last opened and how long ago
Key Features
- Zigbee 3.0: mesh-capable, routes through other Zigbee devices on your network
- Reed switch trigger: 15mm separation threshold, opens and closes events both reported
- CR2032 battery: months of runtime, low-battery state reported over Zigbee
- Tuya Smart Life app: works out of the box for non-coder household members
- Zigbee2MQTT + Home Assistant ZHA + Hubitat + SmartThings: all confirmed compatible
- Compact two-piece form factor: adhesive mount fits standard door and window frames
- Instant event reporting: open and close state changes push to your coordinator in real time
Frequently Asked Questions
Does this require the Tuya cloud to function, or can it run fully local?
Fully local is supported. Pair it with a Zigbee coordinator running Zigbee2MQTT or Home Assistant ZHA and it never touches Tuya's servers. The Tuya Smart Life app is optional, not required.
Will it work with a ConBee II or SONOFF Zigbee 3.0 USB dongle?
Yes. Any coordinator that runs Zigbee2MQTT or ZHA will recognize it. ConBee II, SONOFF Zigbee 3.0 USB Dongle Plus, and CC2652-based sticks are all confirmed working.
How long does the battery actually last?
Expect 6 to 12 months depending on trigger frequency. A door that opens 20 times a day will drain it faster than a rarely used window. The sensor reports low-battery state over Zigbee before it dies, so you get a warning.
Can it be mounted on a metal door without signal issues?
Zigbee 2.4GHz does experience some attenuation near metal surfaces. The sensor itself will still trigger correctly since it uses a reed switch, but signal range to your coordinator may be reduced. Positioning the antenna side away from the metal frame helps.
Control it with AI
Once it is in Home Assistant, an assistant can drive it through Home Assistant's Anthropic or Ollama conversation agents, or through its MCP Server integration. Nothing on the device changes.
- Home Assistant
- Yes. Pairs with ZHA or Zigbee2MQTT through a Zigbee coordinator (sold separately). No cloud needed.
- Hub required
- Zigbee coordinator (sold separately)
Things to build with this
Real builds. Time and difficulty included.
Easy
Movie mode with one tap
NFC tag on your coffee table. Tap your phone: lights dim, TV turns on, blinds close. Tap again to undo. Feels like magic every time.
Easy
Laundry notification system
Vibration sensor on your washing machine. When it stops vibrating, your phone buzzes. No more forgetting wet clothes for 3 days.
Medium
Automatic night light path
Motion sensors in the hallway trigger dim warm lights at floor level after 10pm. Walk to the bathroom without waking up fully.
Easy
Mailbox alert
Contact sensor on the mailbox door. Home Assistant sends a notification when mail arrives. Never walk to an empty mailbox again.
Guides for this product
Setup walkthroughs and reviews from our blog.
9 min
How to Control Hardware with AI: MCP Servers, CLIs and APIs (2026)
Control hardware with AI three ways: an MCP server, a CLI or a local HTTP or MQTT API. Home Assistant setup, example commands, and what to check first.
13 min
NFC Programmable Stickers (NTAG213 and NTAG215): What They Are and What You Can Actually Build With Them
A practical guide to NTAG213 and NTAG215 NFC programmable stickers. Learn what they can do, how to use them with Home Assistant, ESP32, iOS, and Android in 2026.
10 min
mmWave Presence Sensors for Home Assistant: Setup Guide, PIR Comparison, and Why Developers Are Switching
Set up an mmWave presence sensor in Home Assistant with ESPHome or Zigbee. Includes PIR comparison, LD2410 wiring, YAML config, and tuning tips for 2026.
