The stage lighting industry light beam has 5R, 7R and 15R,Like 5R, aka 200W beam light,
5R 200W 7R is light, 230W light, 15R light is 330W, R is behind the lamp power, 200W light is used in PHILPS 230W and 330W imported 5R lamp, used the imported OSRAM 7R and 15R R in front of the lamp! Value is bigger, on behalf of the greater power, brightness the higher! How many tiles like ordinary lights!
5R 200W 7R is light, 230W light, 15R light is 330W, R is behind the lamp power, 200W light is used in PHILPS 230W and 330W imported 5R lamp, used the imported OSRAM 7R and 15R R in front of the lamp! Value is bigger, on behalf of the greater power, brightness the higher! How many tiles like ordinary lights!
5R 200W 7R is light, 230W light, 15R light is 330W, R is behind the lamp power, 200W light is used in PHILPS 230W and 330W imported 5R lamp, used the imported OSRAM 7R and 15R R in front of the lamp! Value is bigger, on behalf of the greater power, brightness the higher! How many tiles like ordinary lights!
