1.Light output: 250/200/120/80 Lumens(optional)

2.Runtime: 4/5/8/12 hours(high/low setting)

3.Length: 14.4cm/5.7inches

4.Weight: 183g/6.4ounces

5.Switch: Rotary Magnetic Switch

6.Battery: 1*18650 Rechargeable Li-ion

7.Function: 100%-50%-10%brightness/SOS/Strobe 8.Rechargeable: Independent Charging Barrel