Product description: The S11 strong light, compact and lightweight; With a finger-thin barrel and a weight of only 18 grams, it can be easily carried on a key chain; Super bright mode with a brightness of 400lm and energy saving mode with a battery life of 32 hours for everyday instant lighting; the side light is a violet light which can be used for daily banknote inspection or fluorescent detection magnetic suction function on the tail, combined with the warning flash of the sidelight, to be adsorbed on roofs and other places as an emergency warning tool light; a built-in 300mAh lithium polymer battery, which can be fully charged in 35 minutes via the Type-C port; The product integrates a variety of practical functions; it is the ideal daily carry mini-lighting tool Product parameters Brightness: 400LM Colour temperature: 6500K Material: PC+304 stainless steel Product size: 15.6*60.5mm Battery type: Li-polymer battery Battery capacity: 300mah Charging port specification: USB-C Charging time: 35 minutes Input voltage: 5V, input current: 500mah Over-charge protection: 4.25V, over-discharge protection: 3.0V Charging indicator: red when charging, green when full Waterproof rating: IP66 Fall protection height: 1.5m Working environment: -10~40 Main light: gear function, super bright gear, high brightness gear, medium brightness gear, low brightness gear, energy saving gear Battery life/2H 130 minutes, within 4H 32H Brightness 400LM 290LM 87 LM 25 LM 2LM Control mode "Off, long press to turn on Release and close" "Double click to open, click to switch, long press to close Side light: Stall function white light white light flashing violet light red light red light red light red blue alternate flashing