The present invention provides a display strip easy for automating the process of bonding product-enclosed bags and capable of bonding the product-enclosed bags once removed again. The material of the insulator is selected such that it has a greater compliance than that of the tube. The method may include generating a virtual desktop including a plurality of objects organized in accordance with at least one of a theme and a structure; providing a navigation pane on the virtual desktop to navigate through the plurality of objects; and providing a controller to enable a multi-level zoom on at least one of the plurality of objects on the virtual desktop. A positive transmission occurs between the motor unit and the drive member. Such an arrangement provides a light emitting device with improved lumen output and color stability over a range of drive currents.