It was extensively modernised in 1975 and is now monitored from the Trinity House Operations and Planning Centre in Harwich.
[1] When originally built, the lamp was mounted on a 36 ft (11 m)-high skeletal steel tower (the footprint of which can still be seen within the compound) which stood alongside the white building which housed an acetylene plant to power the lamp.
[3] It was a sector light with a group occulting characteristic (showing two eclipses every 15 seconds).
In 1975 the tower was removed, and a new lantern and lens were installed on top of the old acetylene building.
[1] In the 1980s the lighthouse was connected to mains electricity, the generators being retained as a standby provision.