The Zooz ZSE44 is a miniature battery temperature and humidity sensor for remote thermostat references and humidity-driven automations.
Works on integrations
Protocols
Setup guides
Roles it can fill
A single CR2450 coin cell in a housing small enough to mount out of sight. Commonly used as a remote temperature reference for a thermostat, or to drive bathroom fan and humidifier automations.
Entities in Home Assistant
35 entities via Z-Wave
Primary entities 17 What automations and dashboards use.
| Entity | Type | Device class | Unit |
|---|---|---|---|
| Battery is disconnected | binary_sensor | — | — |
| Battery temperature is low | binary_sensor | — | — |
| Fluid is low | binary_sensor | — | — |
| Heat sensor status | binary_sensor | — | — |
| Low battery level | binary_sensor | — | — |
| Moisture alarm status | binary_sensor | — | — |
| Overheating | binary_sensor | — | — |
| Rechargeable | binary_sensor | — | — |
| Used as backup | binary_sensor | — | — |
| Heat sensor status disabled | button | — | — |
| Moisture alarm status disabled | button | — | — |
| Charging status | sensor | — | — |
| Heat sensor status | sensor | — | — |
| Humidity | sensor | — | % |
| Moisture alarm status | sensor | — | — |
| Recharge or replace | sensor | — | — |
| Temperature fahrenheit | sensor | temperature | °F |
Configuration 17 Settings exposed as entities, tunable from Home Assistant.
| Entity | Type | Device class | Unit |
|---|---|---|---|
| Battery Report Threshold disabled | number | — | % |
| High Humidity Alert Threshold disabled | number | — | % |
| High Temperature Alert Threshold disabled | number | — | °F/C |
| Humidity Offset disabled | number | — | 0.1 % |
| Humidity Report Threshold disabled | number | — | % |
| Humidity Reporting Interval disabled | number | — | minutes |
| Low Battery Alarm Threshold disabled | number | — | % |
| Low Humidity Alert Threshold disabled | number | — | % |
| Low Temperature Alert Threshold disabled | number | — | °F/C |
| Temperature Offset disabled | number | — | 0.1 °F/C |
| Temperature Report Threshold disabled | number | — | 0.1 °F/C |
| Temperature Reporting Interval disabled | number | — | minutes |
| High Humidity Alert Reporting disabled | select | — | — |
| High Temperature Alert Reporting disabled | select | — | — |
| Low Humidity Alert Reporting disabled | select | — | — |
| Low Temperature Alert Reporting disabled | select | — | — |
| Temperature Scale disabled | select | — | — |
Diagnostics 1 Health and troubleshooting values, hidden from dashboards by default.
| Entity | Type | Device class | Unit |
|---|---|---|---|
| Battery level | sensor | battery | % |
Verified against Home Assistant 2026.8.3: its own Z-Wave discovery
run over core's node dump of this device
(ZSE44)
.
Most of these are configuration parameters, which Home Assistant creates
disabled and you enable as needed.
Where to buy
Recipes using this device
No recipes reference this device yet.