Specifications: Unlock with Bluetooth AppUnlock with Biometric FingerprintIdentification of red, green and blue three color lightsLithium battery capacity: 300mAhStorage capacity: 30 groups fingerprintsWorking temperature: - 20 ℃ ~ + 70 ℃Charging current: 5V / 200mAWorking voltage: 3.7VAPP: TuyaLock body material: ADC12 zinc alloyFingerprint setting short press to unlock, long press 5S to set fingerprint, long-press 10s to delete fingerprint Package Includes: 1X Waterproof Biometric Bluetooth Smart Lock1X Charging Cable1X Manual Note: 1. Due to the difference between different monitors, the picture may not reflect the item's actual color(s). We guarantee the style is the same as shown in the photos.2. Please, allow slight dimension difference due to different manual measurements.3. The measurement allowed error is +/- 1-3cm.