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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
C89 Smart Fingerprint Password Lock Home Indoor Door TUYA System Lock, C89 Black, C89 Silver1. Bluetooth standard: Bluetooth 4. 1BLE 2. Supported cell phone system: ANDROID 4. 3 IOS7. 0 or above 3. Power supply: 4 AAA alkaline dry batteries (batteries not included) 4. Emergency power supply: 5V (MICRO USB) 5. Low battery alarm voltage: 4. 8V 6. Voltage range: 4. 5 6V 7. Standby Current: 65MA 8. Operating current: less than 200MA 9. Unlocking time: about 1. 5 seconds 10. Keyboard: standard 12 keys 11. Key type: capacitive touch keys 12.
1. Bluetooth standard: Bluetooth 4.1BLE
2. Supported cell phone system: ANDROID 4.3/IOS7.0 or above
3. Power supply: 4 AAA alkaline dry batteries (batteries not included)
4. Emergency power supply: 5V (MICRO USB)
5. Low battery alarm voltage: 4.8V
6. Voltage range: 4.5-6V
7. Standby Current: 65MA
8. Operating current: less than 200MA
9. Unlocking time: about 1.5 seconds
10. Keyboard: standard 12 keys
11. Key type: capacitive touch keys
12. Password number: customized and permanent password 150 (other dynamic password 150)
13. Applicable door type: wooden door/anti-theft door
14. Applicable door thickness: 45-80MM
15. Card type: MIFARE M1 card
16. Number of IC cards: 200
17. Unlocking method: APP, password, fingerprint, IC card, mechanical key
18. Fingerprint head type: semiconductor fingerprint head
19. Fingerprint capacity: 120 pieces (adjusted according to the actual use of the model)
20. False Alienation Rate (FAR): less than 0.001%
21. False Rejection Rate (FRR): less than 1.0%
22. Operating temperature: -20-70 degrees Celsius
23. Operating humidity: 45-90% RH
24. Networking method: WIFI
25. Data storage type: cloud storage
26. Alarm Function: Anti-tamper Alarm/Low Battery Alarm/System Lock Alarm
Features:
1. Handle a grip open structure design, tempered glass panel, minimalist style, front and rear panels of aluminum alloy die-casting, oil spraying process
2. 8 intelligent technology unlocking: WIFI unlocking, Bluetooth unlocking, APP remote unlocking, fingerprint unlocking, password unlocking, magnetic card unlocking, key unlocking, and combination unlocking
3. Tuya APP one-stop management, can be unlocked remotely, information push, open the door record view, and other intelligent scenarios linkage
4. Multiple password forms (one-time password/periodic password/permanent 32-bit anti-peeping password) flexible and convenient, remote sharing of temporary password, enter the password to open the door, convenient and fast
5. Intelligent encryption IC card, high-speed unlocking, high security, prevent copying, easy to manage. Applicable to children, the elderly, and fingerprints missing special people
6. Indoor electronic anti-lock: ordinary users can not open the lock in the outdoor, the administrator user is not restricted by the electronic anti-lock switch, open the anti-lock switch can also be in the outdoor lock
7. Resistant to electrostatic interference of more than 15,000V, anti-electromagnetic radiation interference, to prevent electromagnetic interference locks
8. 4 AAA alkaline batteries with ultra-low power consumption, an average of more than 10 times a day to open the lock, can be used for more than a year. Low voltage alarm, prompting the replacement of batteries (batteries are not included)
9. 304 stainless steel all-steel lock body, anti-saw, anti-collision, anti-rust. Most door types can be installed, stable performance, high security
10. Virtual password technology, real password before and after the input of any number, to prevent password leakage
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 1013 reviews
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Product Reviews
★★★★★ 5
An Actual Nice Chair for a Decent Price. +2 for the Tool.
Color: Black Grey
Welp, My old chair finally broke, so It was time for a new one. I ended up coming across this chair here, and I couldn't really find anyone talking about it online. I decided to give it a shot since it was on a good sale for Christmas, going down to 99$. I'm going to be honest, I am pleasantly surprised. The cushioning for it is a little firm, but that is perfect for me. Its pretty average when it comes to office chairs, but having the added lower back support is a great touch. I have no complaints about it.
The one thing that I am actually really happy about isn't on the chair. Don't get me wrong, over the week I have been using it, It has been nothing but great. That thing is the actual tool it came with. Its a basic Allen key, but the top of it is a molded handle instead of a "L" piece of metal. It made the already easy process of putting together this chair even better. Even after this chair has ran its course like all other chairs, I'm going to still use this tool.
So yeah, I think 5 - stars pretty accurately describes how I feel about my chair.
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Reviewed in the United States on January 2, 2026
★★★★★ 5
Comfortable chair that works great for long hours
Color: Black
I’ve been using this office chair for a few days and it’s been very comfortable for working and longer desk sessions. The high back design and ergonomic support help maintain good posture, while the cushioning stays comfortable throughout the day. The chair feels sturdy and stable, and the 330 lb capacity gives it a solid, durable feel. It also rolls smoothly and quietly, which is nice when moving around the workspace without creating a lot of noise. Overall, it was easy to assemble, looks professional, and offers great value for the money.
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Reviewed in the United States on June 10, 2026
★★★★★ 5
Very Comfortable Ergonomic Chair - Great for Long Work Days!
Color: Black, Color: Black
I’ve been using this ergonomic office chair for a couple of weeks now and I’m genuinely impressed. For the price, it offers excellent comfort and support.
What I like:
• Very comfortable padded seat and backrest — I can sit for 8+ hours without back pain.
• Good lumbar support and adjustable height/armrests.
• Holds up to 330 lbs easily (I’m 240 lbs and it feels very stable).
• Smooth rolling wheels and sturdy base.
• Easy to assemble (took about 20 minutes).
The mesh back breathes well and doesn’t get hot. It looks professional in my home office too.
Overall, this is a solid ergonomic chair. If you spend a lot of time at a desk, I highly recommend it.
Would I buy it again? Yes, definitely.
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Reviewed in the United States on May 12, 2026
★★★★★ 4
Great if you're average height.
Color: Black
Comfortable for the price. The seat could be a bit better, but for a budget friendly ergonomic chair, it's well made and has helped a lot with my back pain caused by my previous desk chair.
Assembly wasn't terribly difficult, though I did have one screw with damaged threads. Luckily they ship spare screws in the kit, so that was a non-issue.
Rollers work great on my small rug and hard flooring and don't tend to tangle cords or cables too much.
Size wise, works great for my frame (5 ft 6 in) but for someone more than a few inches taller than myself, you should probably look at another chair.
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Reviewed in the United States on September 4, 2025
★★★★★ 5
Great chair
Color: Black
I am very happy with my purchase. Easy to assemble but be aware your drill bits included with your set won't fit their screws. However, you can get a fair bit done with the drill and then use tool included to adjust. Super comfortable and exactly the right height for my desk. Highly recommend for quality exceeding price point.
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Reviewed in the United States on May 9, 2026