Abstract: A multihull module is provided. The multihull module includes multiple power floats, an actuation interface controller, and a vehicle controller. The power floats are disposed on a vehicle. The actuation interface controller is coupled to the power floats, and is configured to control the power floats. The vehicle controller is coupled to the actuation interface controller, and is configured to provide a control signal to the actuation interface controller. The actuation interface controller controls the power floats according to the control signal.

Abstract: An illumination device includes: a mounting unit; a lighting unit including a circuit board mounted on the mounting unit, and at least one light emitting component mounted on the circuit board; and a lamp cap mounted on the mounting unit for covering the lighting unit. The lamp cap includes a surrounding wall disposed around the lighting unit, a central top wall disposed spacedly in the surrounding wall, and a plurality of spaced apart connecting ribs interconnecting the surrounding wall and the central top wall such that a plurality of vent holes are formed among the surrounding wall, the central top wall and the connecting ribs.