Introduction: The introduction of the long-lasting DuPont RO reverse osmosis filter efficiently purifies 30 tons of water, sufficient to meet the needs of a three-member household for up to eight years. In the home appliance field, Dreame not only enhances product performance but also makes it a market leader with its high cost-effectiveness. Among them, the installation services provided by Dreame are impeccable. The dismantling and installation of our previous water purifier were carried out entirely for free, even within a limited kitchen cabinet space, where the installer performed meticulous work, including drilling and wiring in the small cabinet on the left under the kitchen. The installation process did not unexpectedly incur additional costs. In terms of details, the installer wore shoe covers when entering and cleaned up the wood chips during drilling (though I expressed I could clean them later myself). The intelligent faucet design of the Dreame U20—a touch-operated digital display faucet—is particularly outstanding. At the interface, users can easily identify the "droplet-shaped" water outlet button, warm water selection key, boiling water selection key, child lock function, filter life check key, and display area. In standby mode, the faucet can display water temperature and can show TDS values and water temperature in real-time during water flow, which is very convenient. The Dreame U20 offers three water modes: room temperature, warm water, and boiling water. Users can get room temperature purified water with just a click of the "droplet" button. For warm or boiling water, simply touch the button to activate the child lock, select the corresponding key, and click the "droplet" button again for water. Warm water is about 55°C and safe to drink directly, while boiling water can reach 98°C, perfect for brewing coffee or tea. Although the obtaining process for warm and boiling water is slightly complicated, the child lock design ensures the safety of the device's use, especially when there are children in the home. Additionally, the 316L four-dimensional all-region vacuum rapid heating tank of the Dreame U20 makes it not only safe and stable but also energy-efficient. The large flow design of 1800G ensures quick water output. The water output speed for the three modes varies, specifically warm water > boiling water > room temperature water. The "small battery" indicator on the display continuously tracks the life of the primary and secondary filters. Specific values of filter life can be viewed via the "small battery" button below the touch display. Dreame has yet to release U20 compatible replacement filters, but based on the filter prices of Dreame's desktop water purifier T10, the price of U20 filters will be relatively reasonable. The total cost of this water purifier during its usage cycle is expected to remain at a relatively low level. In practical life, people of different age groups have varying requirements for water temperature. In my youth, I loved ice water, but entering middle age, I gradually prefer warm water, a habit that also meets the needs of the elders and children at home. Therefore, a device that provides warm drinking water directly is indispensable for me. Previously, we used a 55°C water cup, but its small capacity was always unsatisfactory. Now, with the Dreame U20, all demands are directly met.