the following colours: clear, white, yellow, amber, red, green, blue. Further technical details can be found in the Download section on this page. To make the order process easy for you and to ensure a [...] Authority: ‘Signaling systems of safety devices in tunnels’ synchronised flashing of up to 10 beacons in series with no additional controller initial current limited to below 1 A integrated function monitoring [...] 77 30.4 x 21.2 x 34.2 15.2 x 10.6 x 17.1 yellow 99.9 x 65.3 x 99 44.4 x 29 x 44 22.2 x 14.5 x 22 green 83.7 x 58.5 x 93.6 37.2 x 26 x 41.6 18.6 x 13 x 20.8 amber 78.3 x 54.9 x 88.2 34.8 x 24.4 x 39.2 17