"Shield" is a fast heating faucet, with a connected quick installation design and a three second fast heating function to meet the needs of traditional kitchen washing for warm and hot water. The "Shield" adopts the principle of stepless frequency conversion and heat regulation for the first time. Users can easily adjust the product power (1000W-3400W power adjustable) through the top shuttle knob to meet different seasons and washing scenarios, saving energy and environmental protection. "Shield" is a very safe product that meets the IPX4 waterproof grade, with an internal structural design of water and electricity isolation. It also has ultra-high temperature protection (stop working above 85 degrees Celsius, resume working below 65 degrees Celsius), anti dry burning protection, anti ice and explosion-proof protection, etc.