ZKTECO
- Supported: childproofing
- built-in doorbell
- IC S50 Card: 100
- Fingerprint: 100
- Password: 50
- Support Wifi
- Power Supply 4AA alkaline batteries
- Low Battery Warning 4.5V to 4.8V
- Emergency Interface Micro USB 5V
Door Thickness (mm) 45 to 60 (customizable)
App: Zsmart