SPARK™ is a tiny, disposable marking light designed to provide rapid visibility of personnel or objects. A completely sealed unit, SPARK™ is waterproof for function in a multitude of austere environments. It attaches to surfaces with a hook and loop backing. Pressing the center of the silicone housing, SPARK™ will cycle through its output functions. The constant feature is good for low light training while the blink output acts as an emergency strobe beacon. At Steele we offer the SPARK™ in Red and IR.