A spray nozzle assembly is provided. A user equipment receives a plurality of downlink data through a plurality of downlink carriers and transmits one acknowledgement not-acknowledgement signal for the plurality of downlink data through an uplink carrier. The fourth lens element comprises a convex object-side surface and a convex image-side surface. Additionally, an underlying rotation and support structure provides a stable platform for the beam layer when the device is activated. The first motor is configured to provide a different amount of force and a different speed to the linear actuator than the second motor.