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🔐【Advanced Fingerprint Reader】: The key lock box uses self-learn AI biometric technology, touch your finger to unlock within 0.2s, the unlocking speed is much faster than ordinary combo locks and key locks. Your finger is the key, no longer worry about losing the key or forgetting the password.🔐【Durable and High-Security】: The key lockbox is constructed with superior strength zinc alloy for crack resistance and durability, hardened stainless steel shackle for superior cut resistance, and has an improved tight closure design to ensure anti-prying open.🔐【High-Capacity】: Anweller B5BF key hider lock box improved internal space and has a 120% increase in capacity of most lock boxes, which can store more Mechanical Keys, Car Keys, and Cards.🔐【Works in Any Environment】: IP65 waterproof & dustproof & antirust & anti-corrosion, proven to work through extreme environmental conditions, operational temperature range of -4°F to 122°F.🔐【180 Days+ Standby Time】: The smart lock box has low power consumption to ensure long standby time for 6 months+. And it has a low power reminder to remind you to replace the batteries. Even if it runs out of battery, you can use a power bank for emergency power.🔐【Excellent Customer Service】: eLinksmart offers a 6-month warranty and free lifetime technical support. It is hassle-free to get a replacement in 6 months and get a refund in 6 months.