Keyless Entry Door Lock 4 In 1 Smart Deadbolt With Bluetooth App Electronic Keypad IC Card USB Spare Keys Waterproof Easy Install For Home Apartment Hotel Office

4-in-1 Keyless Door Lock with Bluetooth App
✔️ 4 unlock methods: App, SmartKey, Passcode, IC Card; IP65, 8000 unlocks

This 4-in-1 smart deadbolt delivers keyless entry for homes, apartments, hotels, and offices with Bluetooth app control and multiple unlock options. It installs easily with no drilling and works in extreme weather thanks to IP65 rating.

✅ IP65 weatherproof rating
✅ -22°F to 131°F operating temperature
✅ 4 AA batteries provide about 8000 unlocks (~12 months)
✅ Virtual keypad design protects passwords from being observed
✅ DIY installation with screwdriver, no locksmiths needed

💡 What is a smart door lock with Bluetooth app used for in homes, apartments, hotels, and offices, and how does it improve access control?

Handy device that combines convenience with secure access management.

- Keyless entry via App, SmartKey, Passcode, IC Card
- Bluetooth-based unlocks without internet and real-time logs in the app
- IP65 weatherproof design supports indoor/outdoor use
- Battery monitoring and alerts prevent unexpected lockouts