Round-Keypad Smart Security for Wooden and Metal Doors
The Zenith A221 Smart Deadbolt Lock delivers compact smart access with a distinctive round digital keypad design for wooden and metal doors. Finished in Black, its modern exterior keypad and clean interior thumb-turn body make it a stylish and practical upgrade for homes, apartments, offices, rental units, and managed properties that need secure keyless entry.
Advanced TTLock Bluetooth Technology
Experience convenient access control through the TTLock App, supported by BLE / Bluetooth smart technology. The A221 supports multiple unlocking methods including Fingerprint, Password, IC Card, Mechanical Key, and Mobile App, giving users flexible and secure access options for residents, staff, guests, and temporary visitors.
With time-limited passcode support, the A221 is ideal for rental units, shared homes, offices, and managed access environments. Its automatic locking function helps secure the door after use, while emergency power supply support provides backup access when battery power runs low.
Compact Deadbolt Design and Reliable Performance
Built with an aluminum alloy body, the Zenith A221 offers dependable durability in a compact smart deadbolt format. Its 60/70 adjustable deadbolt mortise supports flexible installation on wooden and metal doors, while the Level-C optional lock cylinder provides enhanced security protection.
Powered by 4 AA batteries, the A221 is easy to maintain and designed for everyday smart access. Its compact front and back body sizes provide a clean installation while keeping the lock practical for daily use.
Product Specifications
Model: A221
Brand: Zenith
Material: Aluminum Alloy
Color Options: Black
Door Type: Wooden Door / Metal Door
Door Thickness Support: 35 – 55 mm
Lock Cylinder Grade: Level-C Optional
Network: BLE / Bluetooth
Smart App: TTLock App
Unlock Methods: Fingerprint, Password, IC Card, Mechanical Key, Mobile App
Additional Features: Time-Limited Passcode, Emergency Power Supply, Deadbolt Mortise, Automatic Locking
Power Source: 4 × AA Batteries
Opening Direction: Left / Right Open
Size: Front 68 × 68 × 36.5 mm / Back 170 × 69 × 33.5 mm
Mortise: 60 / 70 Adjustable Deadbolt Mortise
Type: Smart Deadbolt Lock
Recommended Use: Home, Apartment, Office, Rental Unit, Wooden Door, Metal Door, Managed Property.
Round-Keypad Smart Security for Wooden and Metal Doors
The Zenith A221 Smart Deadbolt Lock delivers compact smart access with a distinctive round digital keypad design for wooden and metal doors. Finished in Black, its modern exterior keypad and clean interior thumb-turn body make it a stylish and practical upgrade for homes, apartments, offices, rental units, and managed properties that need secure keyless entry.
Advanced TTLock Bluetooth Technology
Experience convenient access control through the TTLock App, supported by BLE / Bluetooth smart technology. The A221 supports multiple unlocking methods including Fingerprint, Password, IC Card, Mechanical Key, and Mobile App, giving users flexible and secure access options for residents, staff, guests, and temporary visitors.
With time-limited passcode support, the A221 is ideal for rental units, shared homes, offices, and managed access environments. Its automatic locking function helps secure the door after use, while emergency power supply support provides backup access when battery power runs low.
Compact Deadbolt Design and Reliable Performance
Built with an aluminum alloy body, the Zenith A221 offers dependable durability in a compact smart deadbolt format. Its 60/70 adjustable deadbolt mortise supports flexible installation on wooden and metal doors, while the Level-C optional lock cylinder provides enhanced security protection.
Powered by 4 AA batteries, the A221 is easy to maintain and designed for everyday smart access. Its compact front and back body sizes provide a clean installation while keeping the lock practical for daily use.
Product Specifications
Model: A221
Brand: Zenith
Material: Aluminum Alloy
Color Options: Black
Door Type: Wooden Door / Metal Door
Door Thickness Support: 35 – 55 mm
Lock Cylinder Grade: Level-C Optional
Network: BLE / Bluetooth
Smart App: TTLock App
Unlock Methods: Fingerprint, Password, IC Card, Mechanical Key, Mobile App
Additional Features: Time-Limited Passcode, Emergency Power Supply, Deadbolt Mortise, Automatic Locking
Power Source: 4 × AA Batteries
Opening Direction: Left / Right Open
Size: Front 68 × 68 × 36.5 mm / Back 170 × 69 × 33.5 mm
Mortise: 60 / 70 Adjustable Deadbolt Mortise
Type: Smart Deadbolt Lock
Recommended Use: Home, Apartment, Office, Rental Unit, Wooden Door, Metal Door, Managed Property.
