Portable Zinc Alloy Smart Fingerprint Padlock For Suitcase

Smart fingerprint pad lock biometric waterproof padlock  1.Material: zinc alloy2.Working voltage: 3.0-4.2V4.Fingerprint sensor coverage: 7.2*6.4MM5.Unlock speed: within 1 second6.working period: a year per power Charge7.LED illumination: featuring a tri-color display with options of red, blue, and green hues."8.Battery: 3.7V lithium build in battery9.Working temperature: -10~+40 degrees Celsius10.Fingerprint storage: records ten entries per group, for a total of ten groups.