# Sonoff SNZB-01P

> Zigbee 3.0 wireless button and scene switch with single, double, and long press actions. Battery-powered with CR2477 lasting up to 5 years. Works with Home Assistant, Zigbee2MQTT, and eWeLink.

## Quick Facts

- **Brand:** Sonoff
- **Board Type:** smart-button
- **Price:** ~$12.85
- **Product Readiness:** consumer
- **CPU:** EFR32MG22
- **CPU Architecture:** ARM Cortex-M33
- **CPU Cores:** 1
- **RAM:** 32 KB
- **Flash:** 512 KB
- **Power:** CR2477 battery
- **Operating Voltage:** 3.3V

## Connectivity

- **Zigbee:** Zigbee 3.0

## Open Source

- **Firmware:** No
- **Schematics:** No
- **PCB Layout:** No

## Certifications

CE, FCC

## Compatible Firmware

zigbee2mqtt, zha

## Use Cases

- smart-home
- scene-control
- zigbee-device

## Components

- **EFR32MG22** (MCU): Silicon Labs EFR32MG22 Mighty Gecko — ARM Cortex-M33 MCU with integrated Zigbee 3.0, Thread, and Bluetooth 5.0 radio, optimized for battery-powered devices — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.silabs.com%2Fdocuments%2Fpublic%2Fdata-sheets%2Fefr32mg22-datasheet.pdf&ref=openhardware.directory&product=sonoff-snzb-01p&source=md-export)

## Description

## Overview

The Sonoff SNZB-01P is a Zigbee 3.0 wireless button designed for scene control and smart home automation. It supports single press, double press, and long press actions, each of which can trigger different automations or scenes.

## Key Features

- **Zigbee 3.0** with mesh networking support
- **Three action types** — single press, double press, and long press
- **CR2477 battery** — up to 5 years battery life
- **Compact design** with adhesive mounting or magnetic attachment
- Compatible with **Home Assistant** (ZHA/Zigbee2MQTT), **eWeLink**, and other Zigbee platforms
- Supports **Zigbee binding** for direct device control without hub processing

## Getting Started

1. Insert the CR2477 battery
2. Put your Zigbee coordinator into pairing mode
3. Press and hold the button for 5 seconds to enter pairing mode
4. Configure button actions in your smart home platform

## Use Cases

- **Scene control** — trigger different scenes with single/double/long press
- **Doorbell** — mount near your door as a wireless doorbell button
- **Emergency button** — quick access to security or alert automations
- **Remote light control** — bind directly to Zigbee lights for instant response

## Battery

Uses a CR2477 coin cell battery (included). Expected battery life is approximately 5 years under normal usage. Battery level is reported to your Zigbee coordinator.

## Where to Buy

- [OpenELAB](https://openhardware.directory/r?to=https%3A%2F%2Fopenelab.io%2Fproducts%2Fseeed-studio-sonoff-snzb-01p&ref=openhardware.directory&product=sonoff-snzb-01p&source=md-export) — $12.85

## Resources

- [product](https://openhardware.directory/r?to=https%3A%2F%2Fsonoff.tech%2Fproduct%2Fgateway-and-sensors%2Fsnzb-01p%2F&ref=openhardware.directory&product=sonoff-snzb-01p&source=md-export)

## Tags

`zigbee`, `smart-button`, `sonoff`, `scene-switch`, `battery-powered`, `home-automation`, `smart-home`

## Images

![Sonoff SNZB-01P](https://nbg1.your-objectstorage.com/openhardware-directory/entities/sonoff-snzb-01p/144939e32256.png)
![Sonoff SNZB-01P](https://nbg1.your-objectstorage.com/openhardware-directory/entities/sonoff-snzb-01p/4db492545c50.jpg)
![Sonoff SNZB-01P](https://nbg1.your-objectstorage.com/openhardware-directory/entities/sonoff-snzb-01p/f621e117f887.jpg)
![Sonoff SNZB-01P](https://nbg1.your-objectstorage.com/openhardware-directory/entities/sonoff-snzb-01p/82774e603e0b.jpg)
![Sonoff SNZB-01P](https://nbg1.your-objectstorage.com/openhardware-directory/entities/sonoff-snzb-01p/4ea33e090c25.jpg)
![Sonoff SNZB-01P](https://nbg1.your-objectstorage.com/openhardware-directory/entities/sonoff-snzb-01p/42fd71be4a17.jpg)
![Sonoff SNZB-01P](https://nbg1.your-objectstorage.com/openhardware-directory/entities/sonoff-snzb-01p/662ed2ca3755.jpg)
![Sonoff SNZB-01P](https://nbg1.your-objectstorage.com/openhardware-directory/entities/sonoff-snzb-01p/03a3951298d4.jpg)

> **Battery Powered:** CR2477

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