Legrand - On-Q F7596SB Intercom Door Unit, Weather Resistant, Shiny Brass INTERCOM ROOM UNIT: Intercom room unit is specially filtered to help reduce electrical interference noise and it has modern backlit keypad EASY INSTALLATION ROOM UNIT: Intercom room unit has simple RJ45 plug design for easy installation and troubleshooting TWO WAY INTERCOM: Intercom Room unit has page monitors. It has multi-level volume control. It is a weather resistant intercom, can operate between 0C to 55C DECORATOR WALL PLATE: Intercom room unit trims with a standard decorator wall plate AVAILABLE SIZE AND COLOR: Intercom room unit has the opening size is of 1.6 x 4 x 3.5 inches. The room unit is available in different colors  White, Oil Rubbed Bronze, Ivory WARRANTY: Intercom room unit has warranty of 1 year