Znaerk GS40FB PRO Waterproof Smart Padlock: USB charging
Meet the Waterproof Smart Padlock—your go-to for keeping things safe without the hassle. Ever fumbled with keys in the rain? This bad boy skips that drama with fingerprint recognition, so you're in with just a touch. And yeah, it's got USB charging because, let's face it, nobody's got time for dead batteries. Rain or shine, its waterproof build stands up to whatever Mother Nature throws at it, making it as tough outdoors as it is handy inside. Whether it's your locker, front door, or that secret snack drawer, this lock's got your back—mixing top-notch security with the kind of convenience that actually makes sense.
Features
- Fingerprint unlock
- Electronic door lock
- Waterproof design
- Home security
- USB charging
General specs
- Brand: Znaerk
- Model: GS40FB PRO
- Seller: Joom
- ID: 685dcfb738712501811a61e6
- Lock type: Electronic
- Unlock method: Fingerprint
- Charging method: USB
- Waterproof: Yes
- Usage: Home, Cabinet, Door
- First listed by seller: 7/13/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$57.08
Last price update: 7/13/25
Out of stock
Shipping options
Delivery to 
United States
United States
Unavailable
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Znaerk GS40FB PRO USB charging
|
GEONFINO G4 Pro+G2 6-in-1 Fingerprint Keyless Entry
|
Smart Door Knob Lock 4-in-1 access methods
|
Kadonio 408
|
ULTRALOQ LATCH 5-F-NK Multiple ways to unlock
|
TGCFING AF05B01 Black
|
|
| Brand | Znaerk | GEONFINO | WREO | Kadonio | ULTRALOQ | TGCFING |
| Model | GS40FB PRO | G4 Pro+G2 | 408 | LATCH 5-F-NK | AF05B01 | |
| Color |
|
|||||
| Rating |
|
|
|
|
|
|
| Price | $57.08 | $89.99 | $49.99 | $32.19 | $199.99 | $49.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | July 12, 2025 | December 6, 2025 | December 6, 2025 | November 20, 2025 | December 6, 2025 | December 6, 2025 |
| Lock Type | Biometric, Deadbolt, Keypad | Biometric | Biometric, Combination Lock, Keypad | Biometric, Deadbolt, Keypad | ||
| Material | Zinc | Aluminum | Zinc | Zinc | ||
| Controller Type | Amazon Alexa, Bluetooth + WiFi Keyless Control | IFTTT, Google Assistant, SmartThings, Amazon Alexa | iOS, Android | |||
| Connectivity Protocol | Bluetooth, Wi-Fi | Bluetooth, Wi-Fi | Bluetooth | |||
Waterproof Smart Padlock
$57.08
Reviews
4.4
5
0
4
0
3
0
2
0
1
0