General description Compatible with various iRobot Roomba models, this Dual Mode Virtual Barrier Navigation Wall is designed to enhance your cleaning experience by controlling the areas your robot can access. It features two modes: a Virtual Wall mode to keep your robot in designated rooms and a Halo mode that creates a 4-foot barrier around the device. Technical specifications Material: ABS Color: Black Power: Requires 2 AA batteries (not included) Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with Roomba 500, 600, 650, 675, 700, 770, 880, 900, 960, E5, I3, I7 Series Also compatible with E/i/s/j Series i7, i7+, i3, i3+, i4, i4+, i6, i6+, i8, i8+, j7, j7+ Usage Virtual Wall mode keeps your robot in the desired cleaning area Halo mode creates a 4-foot barrier around the device Beam Mode produces a 10ft beam of infrared light to assist in entering or exiting specific areas Other information Note: Light reflection and different displays may cause the