GateKeeper Trident allows you to lock and unlock your computer with your phone. Secure your computer with keyless entry. After installing GateKeeper Trident on your phone, pair it to your computer using the GateKeeper desktop application. The Trident app can automatically lock your computer when you walk away and unlock it when you walk back - no need to manually lock your computer or enter your password to log in. We also provide 2-factor authentication for unlocking. Trident uses Bluetooth Low Energy technology to estimate your proximity to your computer. All secure information is stored locally on your computer and nothing is transmitted over the air. IMPORTANT REQUIREMENTS: * Your phone must support Bluetooth Low Energy advertising * Your computer must be running Windows 7, 8, 10 or OS X High Sierra / Mojave * You must install the GateKeeper desktop software (version 3.5.x and up) available from: https://gkaccess.com/software.html * Your computer must have the GateKeeper USB dongle. These can be purchased from: https://gkaccess.com/store.html If running Windows 10, you may also use your computer’s internal BLE or an external BLE dongle. For any questions or comments, please email us at firstname.lastname@example.org.