Nanjing Duotai Smart Technology Co., Ltd.
| Place of Origin | China |
| Brand Name | Duotai |
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Product Specification
| Place of Origin | China | Brand Name | Duotai |
| High Light | Zinc Alloy Smart Fingerprint Door Lock ，Fingerprint Door Lock Handle ，Dual Battery Design Fingerprint Door Lock | ||
"Unlock Tomorrow, Secure Today"
Zinc Alloy Smart Lock – Your Key to Effortless Living
4-in-1 Instant Access
0.3s fingerprint scan, anti-peep PIN pad, NFC card tap, or backup key – goodbye to fumbling for keys. Your home opens in a blink.️ Armored Security, Reinforced Confidence
Durable zinc alloy body resists corrosion and tampering. Grade C lock core + anti-pry alarms trigger instantly, guarding your door like a vault.
Smart Control, Anytime Anywhere
Generate temporary PINs for guests, sync with smart home systems, and track entry logs in real-time via app. Security never sleeps.
⚡ Reliable Power, Zero Downtime
Dual-battery design with low-power alerts. Emergency USB-C charging ensures 24/7 protection, rain or shine.
"Late-night return? A fingerprint tap lights your way home."
"Guests arriving? Share a temporary PIN – no more awkward key handoffs."
"Stormy weather? Your lock stays rust-free and ready."
✅ Military-Grade Security: FCC/CE certified +公安部检测 (China Public Security Certification).
✅ Free Pro Installation: Expert technicians, 30-minute setup guaranteed.
✅ 3-Year Warranty: 48-hour support for any issues.
"Upgrade Now, Peace of Mind Starts Today!"
Order now for smart doorbell!
Limited offer: First 100 buyers get 1-year home insurance!
Adaptation Tips for Different Audiences:
Premium Tier: Highlight zinc alloy craftsmanship and semiconductor biometric sensors.
Budget-Friendly: Contrast lifetime savings vs. traditional lock replacements.
Emotional Angle: Focus on "protecting first steps" or "guardian of family memories."
Company Details
Business Type:
Manufacturer,Seller
Year Established:
2001
Total Annual:
5000000-7000000
Employee Number:
100~120
Ecer Certification：
Active Member
Nanjing Duotai Smart Technology Co., Ltd., established in 2001 and headquartered in Nanjing City, Jiangsu Province, is a leading designer and manufacturer of electronic locks, mechanical locks, gun safe cabinets, safe boxes, tool cabinets, and a wide range of security products. With over 20 years of... Nanjing Duotai Smart Technology Co., Ltd., established in 2001 and headquartered in Nanjing City, Jiangsu Province, is a leading designer and manufacturer of electronic locks, mechanical locks, gun safe cabinets, safe boxes, tool cabinets, and a wide range of security products. With over 20 years of...
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