Add 5000K color temperature Specification BrandConvoyLumens2000 lumensDiameter of the head44 5mmLength142mmDiameter of body25 2mmBattery18650 batteryWeight145gFeatures The body of this flashlight is built of high quality aluminum alloy and it has a very solid construction Internal wiring applies the high efficient booster circuit and can utilize the batteries in the largest extent Excellent waterproof suitable for outdoor environment adverse weather conditions except for diving Focus function that allow the beam can be focused Package included 1 x Convoy C8 SST40 FlashlightOperation Driver instructions 4modes Now we offer another driver version which has a simple 4 modes for switching which is very suitable for ordinary users modes 0 1 3 30 100 max current output is 5000mAIts biggest advantage is that no frequency can be seen in any mode and there is temperature management It can control the flashlight temperature not to exceed 55 degrees Celsius If the flashlight temperature is below 55 degrees Celsius it will output full current If it is above 55 degrees Celsius it will constantly adjust the current so that the flashlight will not overheat Mode instructions ramping driver Note 1 The speed of half press should be fast2 flashlight flashes once per 6seconds at low voltage 3V or so and shut down later3 No temperature protection management pls pay attention to the heat Recommend Click to buy Astrolux C1830 3000mAh 9A 18650 BatteryAstrolux VC04 Type