Product Features: 1）Core Technology: OriginWater Nano Filtration/ Reverse Osmosis membranefilter，the purification effect is guaranteed; 2）Military-grade Quality: Solid and durable, sun and rain protection, round-the-clock; 3) Independent Power Supply: Built-in large-capacity lithium battery, not restricted by power cords; 4) User-friendly: One-click Operation, one-touch start/stop; 5) Simple Maintenance: Twist-type cartridge replacement, no tools and training needed, replacement in 1 second; 6) Safe and Reliable: Tested by national authorita