MonoLight - Twin Sided Warning Light With Cone Bracket LEDNissen MonoLight Twin Sided Traffic Cone Lamp The MonoLight is a twin sided hazard lamp that comes with a cone bracket as standard. It has two modes, flashing and continuous. The LED lamp allows the MonoLight to achieve a generous 300 hours (25 days) of battery life on a single battery in continuous on mode. The lamp is unique in that the head can be rotated 360 degrees and is also twin sided, allowing it to be used at almost any angle. The lamp