Werma signaltechnik 816 480 53 multi colour led lamp 816 with usb interface werma signaltechnik 816 480 53 p the werma signaltechnik 816 480 53 is a multi colour led lamp 816 with usb interface the lamp is able to produce more than 200 000 colours with direct triggering of the beacon via usb interface it is compatible with usb 2 0 and 1 1 the beacon can also be triggered via serial the interface no additional power supply or hardware necessary p p suitable for window and linux p we