Specifications Brand RAYKUBE Smart Doorlock A1 Ultra Smart Lock A1 UltraProduct Dimensions 136mm X 62mm X 47mmBody Material PC and SteelColor Gray NetHardware ParametersCommunication Mode above bluetooth 4 0Battery Date AA battery 4 Not included in the package Endurance Unlock 1000 1500 timesAPP Support Tuya Smart LifeAndroid Above 5 0iOS Above 8 0 Wireless Fingerprint Keypad FPT1 Wireless Fingerprint Keypad FPT1Product Dimensions 80mmX 80mm X25mmBody Material Aluminum alloy and PCColor BlackNet Weight 90gHardware ParametersCommunication Mode Above bluetooth 5 0Battery Date AA Battery 2 Notes batteries are not included in the package Endurance Unlock 1000 1500 timesAPP Tuya Smat Life APPSupport Android Above 5 0iOS Above 8 0Password Max 15 digits 50 setsFingerprint Max 50 fingerprintsOperation Temp 20℃ 60℃Features 1 4 in 1 Unlocking Methods Fingerprint passcode smartphone app Tuya Smart and mechanical key 2 Smart Controls Timer based automatic locking and comprehensive app based control features like log records and virtual key issuance revocation 3 High Frequency Fingerprint Recognition Stores up to 50 fingerprints with 0 001 misidentification rate 4 TemporaryPermanent Passcode Options Multi control code system available for enhanced security 5 Flexible Compatibility Swappable inserts adapt to nearly every lock type including deadbolt and mortise locks 6 Long Battery Life Indicators Built in alert system warns of low