# eufy home alarm and sensors

*eufy / 13 models*

> eufy's alarm sensors, keypad, key fob, panic button and siren connect to a HomeBase and not directly to Wi-Fi. The Entry Sensor E20, Motion Sensor E20 and Smoke Alarm E10 run on a 5-year battery. The 5-Piece Home Alarm Kit includes a HomeBase 2.

- Canonical page: https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [eufy](https://smarthomecanon.com/brands/eufy) |
| Models | 13 |
| Lines | 3 |
| Current lines | 3 |
| On sale now | 3 |

## Currently sold

**eufy home alarm and sensors: models on sale now**

| Model | Series | Released |
| --- | --- | --- |
| [eufy Entry Sensor E20](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-entry-sensor-e20) | Entry Sensor E20 | unknown |
| [eufy Entry Sensor](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-entry-sensor) | Entry Sensor | unknown |
| [eufy Motion Sensor E20](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-motion-sensor-e20) | Motion Sensor E20 | unknown |
| [eufy Motion Sensor](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-motion-sensor) | Motion Sensor | unknown |
| [eufy Flood and Freeze Sensor E20](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-flood-and-freeze-sensor-e20) | Flood and Freeze Sensor E20 | unknown |
| [eufy Water and Freeze Sensor](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-water-and-freeze-sensor) | Water and Freeze Sensor | unknown |
| [eufy Glass Break Sensor E10](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-glass-break-sensor-e10) | Glass Break Sensor E10 | unknown |
| [eufy Smoke Alarm E10](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-smoke-alarm-e10) | Smoke Alarm E10 | unknown |
| [eufy KeyPad E10](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-keypad-e10) | KeyPad E10 | unknown |
| [eufy Key Fob E10](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-key-fob-e10) | Key Fob E10 | unknown |
| [eufy Panic Button E10](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-panic-button-e10) | Panic Button E10 | unknown |
| [eufy Indoor Siren E20](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-indoor-siren-e20) | Indoor Siren E20 | unknown |
| [eufy 5-Piece Home Alarm Kit](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-5-piece-home-alarm-kit) | 5-Piece Home Alarm Kit | unknown |

## Lineup

**eufy home alarm and sensors: every model**

| Model | Model numbers | Type | Power | Connects to | Status |
| --- | --- | --- | --- | --- | --- |
| [eufy Entry Sensor E20](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-entry-sensor-e20) | T90E0121 | Door and window sensor[^1] | 5-year battery[^1] | HomeBase, up to 656 ft in open air[^1] | Current[^1] |
| [eufy Entry Sensor](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-entry-sensor) | T89000D4 | Door and window sensor[^2] | unknown | HomeBase[^2] | Current[^2] |
| [eufy Motion Sensor E20](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-motion-sensor-e20) | T90M0121 | Motion sensor[^3] | 5-year battery[^3] | HomeBase, up to 656 ft in open air[^3] | Current[^3] |
| [eufy Motion Sensor](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-motion-sensor) | T8910021 | Motion sensor[^4] | 2-year battery[^4] | HomeBase[^4] | Current[^4] |
| [eufy Flood and Freeze Sensor E20](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-flood-and-freeze-sensor-e20) | T90F0121 | Leak and freeze sensor[^5] | unknown | HomeBase Mini, 2 or later[^5] | Current[^5] |
| [eufy Water and Freeze Sensor](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-water-and-freeze-sensor) | T89200D1 | Leak and freeze sensor[^6] | One replaceable CR123 battery, up to 2 years[^6] | HomeBase 2 or HomeBase 3[^6] | Current[^6] |
| [eufy Glass Break Sensor E10](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-glass-break-sensor-e10) | T90G0121 | Glass break sensor[^7] | 3-year battery[^7] | HomeBase[^7] | Current[^7] |
| [eufy Smoke Alarm E10](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-smoke-alarm-e10) | T90S0121 | Smoke alarm[^8] | 5-year battery[^8] | HomeBase, up to 656 ft in open air[^8] | Current[^8] |
| [eufy KeyPad E10](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-keypad-e10) | T8960021 | Alarm keypad[^9] | unknown | HomeBase, up to 656 ft in open air[^9] | Current[^9] |
| [eufy Key Fob E10](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-key-fob-e10) | T90K0121 | Key fob[^10] | unknown | HomeBase Mini, 2 or later[^10] | Current[^10] |
| [eufy Panic Button E10](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-panic-button-e10) | T90P0121 | Panic button[^11] | unknown | HomeBase Mini, 2 or later[^11] | Current[^11] |
| [eufy Indoor Siren E20](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-indoor-siren-e20) | T90R0121 | Indoor siren[^12] | 48-hour battery backup[^12] | HomeBase, up to 656 ft in open air[^12] | Current[^12] |
| [eufy 5-Piece Home Alarm Kit](https://smarthomecanon.com/lines/eufy-home-alarm-and-sensors#eufy-5-piece-home-alarm-kit) | T8990121 | Alarm kit[^13] | unknown | HomeBase 2 included[^13] | Current[^13] |

## Related pages

- [eufy](https://smarthomecanon.com/brands/eufy) (brand)

## Sources

[^1]: Entry Sensor E20 product page, eufy US store. https://www.eufy.com/products/t90e0121 (manufacturer, checked 2026-10-13)
[^2]: Entry Sensor product page, eufy US store. https://www.eufy.com/products/t89000d4 (manufacturer, checked 2026-10-13)
[^3]: Motion Sensor E20 product page, eufy US store. https://www.eufy.com/products/t90m0121 (manufacturer, checked 2026-10-13)
[^4]: Motion Sensor product page, eufy US store. https://www.eufy.com/products/t8910021 (manufacturer, checked 2026-10-13)
[^5]: Flood and Freeze Sensor E20 product page, eufy US store. https://www.eufy.com/products/t90f0121 (manufacturer, checked 2026-10-13)
[^6]: Water and Freeze Sensor product page, eufy US store. https://www.eufy.com/products/t89200d1 (manufacturer, checked 2026-10-20)
[^7]: Glass Break Sensor E10 product page, eufy US store. https://www.eufy.com/products/t90g0121 (manufacturer, checked 2026-10-13)
[^8]: Smoke Alarm E10 product page, eufy US store. https://www.eufy.com/products/t90s0121 (manufacturer, checked 2026-10-13)
[^9]: KeyPad E10 product page, eufy US store. https://www.eufy.com/products/t8960021-76 (manufacturer, checked 2026-10-13)
[^10]: Key Fob E10 product page, eufy US store. https://www.eufy.com/products/t90k0121 (manufacturer, checked 2026-10-13)
[^11]: Panic Button E10 product page, eufy US store. https://www.eufy.com/products/t90p0121 (manufacturer, checked 2026-10-13)
[^12]: Indoor Siren E20 product page, eufy US store. https://www.eufy.com/products/t90r0121 (manufacturer, checked 2026-10-13)
[^13]: 5-Piece Home Alarm Kit product page, eufy US store. https://www.eufy.com/products/t8990 (manufacturer, checked 2026-10-13)