[Proportioning Description]: 300ml water + 5g salt, electrolysis for 3 minutes, with effective chlorine concentration is about 150-200ppm. (300ml water + 10g salt, electrolysis for 5 minutes, diluted into 2L, the effective chlorine concentration is about 80-120ppm, it can be used to wipe the desktop, kitchen, bathroom ,etc.) [Compact and Portable]: Small size and light weight, can be easily put into your pocket or backpack [USB Power Supply]:Convenient and recyclable power supply, support mobile power, USB adapter, computer and car charger and other power supply methods, you can generate sodium hypochlorite solution anytime and anywhere. Please note that the output of the adapter to power the generator should be less than 2A. [Low Eco-friendly Economy]:Healthy and homemade, one generator can make cleaning solution at low cost, and protecting your family's safety and health. Suitable for cleaning household items, pet items, children's toys, sinks, bathrooms and inside washing machines, etc. Color: White Material: plastic Package Contents: 2 x Hypochlorite Generator