Dont be fooled by its size, the Princeton Tec Byte Tactical is a powerful punch in a tiny package. Extremely lightweight and compact, the Byte Tactical offers 200 lumens and four modes: white high spot and low spot, as well as red high and low to avoid compromising night vision. The smartly designed Byte Tactical is equipped with a digital battery lockout, sturdy and simple to rotate single arm bracket, easily accessible battery door enclosure and a large push button. Technical Features Max output: 200 lumens Power Source: 2x AAA Alkaline or Lithium Water Resistant: IPX4 Mode Lumens Runtime Distance Reserve Spot High 200 3,4 h 39 m 55 h Spot Low 50 12 h 23 m 61 h Red High 3 66 h 3 m 2 h Red Low 1 140 h 1 m 10 h Weight 64 g (2.25 oz)