An LED (light emitting diode) panel. In particular, an LED panel that is part of a modular system used to construct a wall mounted LED video screen. An LED panel includes a chassis and an LED tile including a plurality of surface mount devices attached thereto. The LED tile is removably mounted to a front of the chassis, and further includes: a first power connector and a first data connector; and a connector assembly mounted on the chassis. The connector assembly includes a support board; a second power connector; a second data connector; and a biasing member arranged to urge the support board in a direction towards the front of the chassis, such that the second power connector and second data connector engage with the first power connector and first data connector, respectively.