... mount the solar unit onto a wall/fense as well as in the ground would be ideal. ... ,mail box,window sills and planters, such as in holiday of Christmas, party, club, bars,etc. ... Working time: after 8 hours charge in daytime, it will begin to work automatically when ... bulbs, twinkling and constant shinning, can plug in ground and wall, charge solar in daytime and shining at night automaticly, ...