What do the colors and beeps indicate Please refer to the Color & Beep information in the user guide. Related articles I received a low battery alert. When should I change my batteries? The keypad is not lit up. What do I do? How does the Gainsborough Freestyle Smart Wi-Fi Trilock work? Can I put the Gainsborough Freestyle Smart Wi-Fi Trilock on an aluminium door? Do I need to install the door sensor? What does it do?