Bulls-Eye Spot Beam Optic: Consists Of An Extremely Bright, Centered ‘Hot Spot’ And A Very Consistent Transition Halo To Increase The Effective Viewing Area Quick-Cycle Switch: Control Your Light Power With The Push Of A Button. Cycle Between High Power And Low Power Options Specs: Light Output 415 Lumens (High), 155 Lumens (Low). Beam Distance: 134 Meters (High), 79 Meters (Low). Runtime: 4.5 Hours (High), 16 Hours (Low). Tested And Rated To Ansi/Fl1 Standards Ip54 Rated Design For Water Resistance And Durable Body For 1-Meter Drop Protection