Visible range:0-3km(About 2 NM)
Battery capacity (lithium cell):3600mAh
Working voltage:3.7V
Charging current:150mA
Discharging current:320mA
Solar panel material:Polysilicon
Flash frequency changes with the working voltage, if working voltage higher, it flashes faster, and vice versa
Application : ocean、river、road,engineering,etc