The Powertac E9R-G4 is perhaps the best all around duty light on the market today. It features a one handed operation to control five brightness levels and has a direct to strobe function. The 2500 lumen output is blinding and the beam is wide enough for excellent situational awareness. E9R-G4 has a magnetic cable with USB rechargeable functionality for convenience. Small size, superior performance and long runtime makes the E9R-G4 a favorite of police officers.