Unlock your key lock box through Bluetooth in the free TTLock app or by entering a PIN directly on the keypad. Whether you prefer smartphone control or a simple code, both options ensure quick and secure entry. (No built-in WiFi capability, WiFi control requires an optional gateway) ①Create 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 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 make it ideal for landlords, rental hosts, offices, and property managers who need secure, hassle-free key sharing. 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. It operates reliably in temperatures from -4°F to 140°F and has an IP65 waterproof rating. The detachable shackle easily hangs on most round door knobs, door handles, fences, or gates - no drilling required. (NOT compatible with lever handles.) Color: As Shown Material: Aluminum Alloy Package Contents: 1*pcs APP Controlled Lockbox Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.