Features(PC-8529):
1.Its folded design with free rotation of 330 degree can make it possible to observe overall.
2.These 4 lights respectively on both sides of flat glass makes it possible to observe at night or evern in dark.
3.The delicate design is quite multifunctional for keeping the glass clean or toting in tour.
4.Usually one battery can last for 10 hour on end and then needs to be renewed.