Non-contact and Automatic:The non-contact faucet adaptor turns your normal kitchen faucet into an intelligent automatic adjustment motion senor faucet. 0.1s fast sensing, smart and convenient, no need to contact the faucet and prevent bacteria cross contamination. Water-saving design:Adopting the integrated flow path throttling design, it can quickly respond to the switch water, save water consumption time, and better limit water flow at the same time, ensuring the flow rate at 0.1mpa water pressure of 0.07l /S, saving water significantly. Overtime protection against overflow:Use water more than 3 minutes, automatically close the solenoid valve, prevent overflow, induction again will be normally water, effectively avoid careless user and troublemaker causing water waste. Long endurance:The built-in Polymer lithium battery, USB charging, environmental protection and energy saving, super long battery life, when the power is low, there will be flashing light to remind. Easy installation:The faucet sensor adapter comes with fittings and a wrench, no additional tools are required, very easy to install and use.