Turnigy Twin Strobe light Unit.

Perfect for adding scale strobe light effects to your model. The Turnigy Twin Strobe Light unit comes per-assembled and ready to install. The ultra bright strobe bulba have variable timing and can be adjusted via a trim pot on the PCB with a Philips head screw driver.

Specs.
Voltage: 3.6~6.0v
Weight: 32g
Strobe Wire Lengths: 740mm (ea)
Strobe timing: Adjustable
Battery Connector: JST