Product function:
1 apheliotropic lamp be in a poor light2
2 four units you can regulate them by yourself
3 one key can contral tansform most of the switch
4 designing lower power circuit to save the battery and make the product use longer
5 power off by hand or leave unused.
product size:108��48.5��23��MM��
packing size:180*75*45(mm)
ark quantitly:4*25
N.W.:0.016KG