Range is 500 yards, Cree LED Bulb and Lithium Ion batteries.  Run time is 10 hours on high, 20 hours on medium and 30 hours on low.  

• 4 bars lit up equal 100%
• 3 bars lit up equal 75%
• 2 bars lit up equal 50%
• 1 bar lit up equals 25%

Battery Lite.  Comes in a plastic box with 2 USB cords and a 110 volt plug USB receptacle.