TokenLock allows you to use a Bluetooth device (with optional proximity), a USB device, a hotkey, or your Apple Remote to lock (and optionally also unlock) your Mac. Features Lock on USB device removal. Lock on Bluetooth device disconnect. Lock on Bluetooth device minimum signal strength (OS X 10.7 Lion) Lock with a hotkey. Lock with your Apple IR Remote. Lock by clicking the TokenLock dock icon. Lock by selecting Lock from status bar menu. Unlock screen saver on return of USB device. Unlock screen saver on return of BlueTooth device. Unlock with your Apple IR Remote. Designate 'safe' WiFi networks. Disable locking for a predefined amount of time. Growl support for status messages. Sleep Aware: When the computer sleeps, this causes USB disconnections. TokenLock is smart enough to realize this and avoids "Double locking" your computer when the USB device you choose has not re-initialized yet after sleep mode. Security information area to help you understand security risks and options as you configure them.