Smart nozzles: M24 male and M22 female tap connections. The touchless faucet adapter converts your standard kitchen faucet into a smart automatic faucet with motion sensor technology. Quick detection: 0.1-second response time for hygienic, hands-free operation, helping prevent bacterial cross-contamination. Automatic shut-off: After 3 minutes of continuous use, the solenoid valve closes to prevent overflow, then resumes normal operation—helping avoid water waste caused by forgetfulness. Water-saving design: Integrated flow control ensures rapid response and optimized water flow, delivering a consistent 0.07 L/s at 0.1 MPa for efficient water usage. Durable construction: Powered by a USB-rechargeable lithium polymer battery, energy-efficient with over 9 months of battery life. Low-battery indicator light alerts when charging is needed. Color: Silver. Package includes: 1 unit.