... in some place where can accept good sunlight, turn on the switch, then it can work automatically; if ... indoor, after recharged by the sun light, turn on the switch, it works(4)Work principlesolar energy transforms ... 5)Advantageslight control: when environment turns night, after turn on the switch, the light will lighting automatically, when it ... master, 35.5*35.5*32.5cmCompany website: www. tzboyue.com