Flagger is a compact handheld flashlight that offers up to three types of light. The main LED with a maximum light output of 500 lumens provides visibility of objects up to 154 meters away. The ADS-equipped white LED allows the light to be continuously adjusted from 150 to 500 lm according to the user’s needs. The green and red COB LEDs, which perform signaling functions, are operated from two oil-resistant, independent switches. The built-in rechargeable lithium-polymer battery allows the device to operate continuously for up to 15 h. Charged using a USB- C cable.