Access Mode- RFID Card, Password, Fingerprint, Manual Key, Bluetooth Lock Size- 285X65X30 mm Weight- 2 Kg Working Voltage- 6V/4x (AA batteries) Suitable Door Thickness- 35-80 mm Password Length- 6-15 Digit Number Combination Password Type- OTP Password, Timed Password, Permanent Password Battery Life- Approximately 6 months (15 times per day on average)