Camcamp DL04 Smart Door Lock with Palm Vein Recognition

【Advanced Palm Vein Biometrics】Experience keyless entry with cutting-edge palm vein recognition technology. Unlike traditional fingerprint scanners, it reads unique vein patterns beneath your skin for superior accuracy. Works effortlessly with wet, dirty, or aged hands—no more struggles with worn fingerprints. Simply hover your hand to unlock, ensuring a hygienic, contact-free approach.【Emergency Power & Low Battery Alert】Never get locked out due to dead batteries! The lock uses 4 AA batteries lasting up to 3 months and alerts you early for replacements. If drained, the built-in USB-C port supports emergency charging via any power bank. Combined with multiple access methods like PIN codes and cards, it guarantees reliable keyless entry in any situation.【All-Weather IP65 Waterproof Design】Built to withstand harsh conditions, this smart lock features an IP65 waterproof rating and a weather-resistant backlit keyboard. Perfect for front door installation, it operates flawlessly in rain