Multiple UV sterilizers may be connected in series in order to increase the microorganism kill rate. A first end of conduit is fluidically coupled to the interior cavity. Moreover, the party taking the short position is allowed to cash out early, without having to unwind the entire contract. A remote control is provided, and a foldable antenna attachable to the convective unit facilitates wireless communication with the controller unit. In one embodiment, a deformable lens is used in conjunction with an LED light source to provide the tunable focal length required for a camera flash device.