Unlock Way: Fingerprint+Tuya APP+Card+Key

Compatable with: Google Assistant, Amazon Alexa

Fingerprint Capacity: 40 Groups

Key/Card: 2PCS

Network: Bluetooth

Door Thickness: 24-40mm

Power Supply: 3.7V Rechargeable Lithium Battary

Emergency Power: USB Charge

Special Features: Low Voltage Alarm, Tamper Alarm, Wrong-Try Lockout