Product Features: 1) Core Technology: OriginWater NanoFiltration/Reverse Osmosis membrane filter ,the purification effect is guaranteed； 2）Military-grade Quality:Solid and durable, sun and rain protection,round-the-clock; 3)Self-restraint Ability:High-capacity lithium-ion battery/High-efficiency manual water production,unshackled from power sources; 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: Teste