1. Model: M32. Battery type: 4 *AAA batteries (Note: not included in the product)3. Fingerprint type: semiconductor fingerprint4. Fingerprint: 50 pcs Password: 100 pcs5. Adaptive door thickness: 28-50 mm6. Emergency power supply: USB charging port (Type C)7. Product material: profile aluminum + zinc alloy8. Unlocking method: fingerprint, password, Tuya Bluetooth, temporary password, mechanical key