SwitchBot · Retrofit smart lock
SwitchBot Lock Pro
SwitchBot’s earlier retrofit lock. It runs on four AA batteries and works with thumbturns that rotate as little as 10°. Keypads and hubs are sold separately.
What SwitchBot says it does
- Runs on 4 × AA batteries (included), rated for 6 to 9 months, or 9 to 12 months with the SwitchBot Dual Power Pack.
- Works with thumbturns that rotate 10° or more.
- Not directly Matter-enabled. It works with Matter as a secondary device through SwitchBot Hub 2 or Hub Mini Matter.
- Up to 15 unlock methods when paired with Keypad Touch (sold separately).
- Keeps your existing lock and key.
- SwitchBot asks owners of jimmy-proof and mortise locks to contact support before buying.
Unlock methods
“Add-on” means you need a SwitchBot keypad or hub that is not in this box.
| Phone app | Included |
|---|---|
| Unlock automatically when I arrive | Included |
| Keypad code | Add-on Needs a SwitchBot keypad (sold separately) |
| Fingerprint | Add-on Needs Keypad Touch |
| Face recognition | Add-on Needs Keypad Vision (SwitchBot says it works with Lock Pro) |
| Palm vein scan | Not supported or not confirmed |
| Key card or NFC tag | Add-on Needs a SwitchBot keypad (sold separately) |
| Voice assistant (Alexa, Google, Siri) | Add-on Needs a SwitchBot hub (sold separately) |
| Lock and unlock while I am away | Add-on Needs a SwitchBot hub (sold separately) |
| Apple Watch | Not supported or not confirmed |
| Keep using my current key | Included |
| Apple Home Key (tap an iPhone) | Not supported or not confirmed |
Fit requirements
- Single-cylinder deadbolt
- Listed as compatible
- Double-cylinder deadbolt
- Not listed
- Jimmy-proof deadlock
- Ask SwitchBot first
- Mortise lock
- Ask SwitchBot first
- Knob or lever only
- Not listed
- Electronic lock
- Not listed
- Thumbturn to frame (door opens inward)
- Not confirmed
- Thumbturn to frame (door opens outward)
- Not confirmed
- Thumbturn rotation
- ≥ 10°
- Door thickness range
- Not published by SwitchBot
Specifications
| Size | 120 × 59 × 83.9 mm (4.7 × 2.3 × 3.3 in), from the Specifications section source |
|---|---|
| Weight | 435 g (15.3 oz) with batteries source |
| Power | 4 × AA 1.5 V; 6–9 months (9–12 with Dual Power Pack) source |
| Thumbturn rotation | 10° or more source |
| Matter | As a secondary device via Hub 2 or Hub Mini Matter source |
Sources
- SwitchBot Lock Pro product page
- Lock and unlock angles SwitchBot Lock supports
- Does SwitchBot Lock Pro support Matter?
Last checked October 26, 2026.