General description Compatible with i7, i3, and i4 robotic vacuum cleaners, the Drop Cliff Bumper Sensor is designed to enhance the functionality of your IRobot Roomba. It features stable characteristics and high reliability, ensuring durability and practicality for everyday use. Technical specifications Material: Plastic Color: As shown Measurement allowed error: +/- 1-3 cm Package Contents 1 x Cliff Drop Bumper Sensor Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.