# SimpliSafe Smart Lock (Series 2)

*SimpliSafe*

> The SimpliSafe Smart Lock Series 2 fits over a single-cylinder deadbolt, locks when the system is armed and comes with a PIN Pad. It suits Home Assistant users through an integration (the maker's hub).

- Canonical page: https://smarthomecanon.com/devices/simplisafe-smart-lock-series-2
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [SimpliSafe](https://smarthomecanon.com/brands/simplisafe) |
| Category | Lock |
| Status | Current[^1] |
| Type | Deadbolt retrofit lock with PIN Pad[^1] |
| Power | 4 AA batteries (included)[^1] |
| Key spec | Locks when the system is armed; PIN Pad, app or Key Fob to unlock[^1] |
| Works with | Gen 3 system[^1] |
| Fits | Most standard single-cylinder deadbolts, no drilling[^1] |
| Size | 7.67 x 2.75 x 1.27 in[^1] |
| Pinpad | Weatherproof PIN Pad that lights up at night[^1] |
| Durability | Tested for over 100,000 turns[^1] |
| Duress | A Duress PIN unlocks the door and silently alerts monitoring on select plans[^1] |
| Manual | Unlocks with the key if the batteries run out[^1] |

## Integration paths

**How the SimpliSafe Smart Lock (Series 2) connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Proprietary + hub](https://smarthomecanon.com/protocols/proprietary-gateway) | SimpliSafe Gen 3 system[^1] | unknown | unknown |

**Platform support for the SimpliSafe Smart Lock (Series 2)**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Proprietary + hub | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | simplisafe |

## Related pages

- [SimpliSafe security system](https://smarthomecanon.com/lines/simplisafe-security-system) (line)
- [SimpliSafe](https://smarthomecanon.com/brands/simplisafe) (brand)
- [Proprietary radio with a hub](https://smarthomecanon.com/protocols/proprietary-gateway) (protocol)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)

## Sources

[^1]: Smart Lock (Series 2) - SimpliSafe. https://simplisafe.com/smart-lock (manufacturer, checked 2026-10-18)