Bluetooth remote control - With Nuki Fob you can unlock or lock your smart lock without a smartphone, just by pressing a button. The Fob is an all-rounder and compatible with any Nuki Smart Lock. Ideal for kids and seniors - The Nuki Fob is shock and water resistant and can easily be deactivated in the app if lost. Due to its ease of use, the automatic door opener is a practical key replacement for children and seniors without a smartphone. Secure in case of loss - In case your Fob gets lost or stolen, simply remove the access permission in the app and you’re door is as secure as ever. Bye bye spare key - Babysitter, cleaning help, or the pet sitter need access to your home? With Nuki Fob all your contacts get convenient and controlled access to your home - permanently, temporary or recurring. Multifunctional - Up to 200 Fobs can be used for one Nuki Smart Lock. Each Nuki Fob can be authorized for up to 100 Smart Locks.