... time H≥36Charging time ( running down of battery )H≤67SizediaMm28lengthMm1288Work modehighlight brightnessLUX≥130Weak brightnessLUX≥150flash rateHZ8 ... 10usage method1, please put the lithium battery before using , be attention battery positive and negative polarity;2, ... charging, with special electrical charging, charging when the battery charger indicator light is red when indicated normal charging, ...