: : Power system: Solar / Batteries systems to switch power.
: : Function: Steady/Flashing/Off, cycling switch.
: : Spec of Solar panel: 50 x 32 x 1.9mm
: : Life time / Solar power：Full recharge for 4 hours can use for 1 hour in steady mode
: : Life time / battery： steady/50 hours, flashing/100 hours
: : Li-ion Cell: ：3.7V，240mah
: : Easy installation and tool free