Features:

◎ Compact structure makes it less space occupation. Adapted for various environment.
◎ The LED light can be adjusted to make an ideal perspective for the operator.
◎ It will beeps while counting, which can avoid wrong counting.
◎ Unique Up-light source makes it convenient to count bacteria that is hard to observe.
◎ Specified designed counting pen to ensure no omit of the cells.
◎ Wide-range voltage design. Avoid the interference to the equipment  by instable voltage.