$18.99 (as of 23/10/2017 06:49 PDT details )
Features:
- Constant DC power supply for 4.7 F capacitance and 220 V 50 Hz, 6.8 F capacitance, white 120 V 60 Hz for constant current source.
- Turn the switch on off 100,000 times.
- It is suitable for small equipment such as compact refrigerator, oven, toothpaste and so on.
- Air ozone that does not contain ozone and ozone for selection.