Powered by 3 AAA alkaline batteries (not included), this Bluetooth key lock box delivers long-lasting performance - up to one year of normal use with fresh batteries. When you connect via Bluetooth, the TTLock app automatically updates the current battery level, helping you stay informed before power runs low. Create one-time, recurring, or permanent PIN in the TTLock app - recipients can unlock without downloading the app. ②eKeys can be granted or revoked remotely at any time, allowing recipients to unlock via Bluetooth in the app. Ideal for homeowners and landlords seeking flexible, secure access without in-person key handovers Unlock your key lock box through Bluetooth in the free TTLock app or by entering a passcode directly on the keypad. Whether you prefer smartphone control or a simple code, both options quick and secure entry. (No built-in WiFi capability, WiFi control requires an optional gateway) This electronic lock box can hold up to 8 house keys, 5 access cards, or 2-3 car key fobs, depending on your needs. Its large capacity and smart access features ideal for families, landlords, rental hosts, offices and property managers who need secure, hassle-free key sharing. With an IP65 rating and a working temperature range of -4°F to 140°F, this digital lock box stands up to rain, snow, and dust, delivering reliable performance year-round., Manufacturer: Uxsjakjsd