Features of automatic sensor faucet: 1) Activate when the user enters the sensor effective range, and deactivate when the user leaves the range. Automatic deactivation 1min after activation. Water-saving and conducive to environmental protection. 2) Extend the effluent time as 1 second, more flexible and humanity. 3) Equipped with double machine to spit water in more slowly, preventing splatter. 4) Built-in water filtration units, the effective filter water impurities, protecting valve core. 5) Unique infrared polarization sensor is more sensitive and accurate, effectively prevent light interference. 6) Electronic control components are adopted professional electronic resin filling adhesive or ultrasound sealed moisture-proof processes. 7) Sensor range adjustable, convenient and available to different customers' needs. Specifications: 1) Sense distance: 7 30cm/adjustable 2) Water supply bore: G1/2" 3) Water pressure range: 0.05 0.8MPa 4) Alerting current: AC 220V/AC 110V/AC 240V 5) Electricity consumption: stand-by≤3W; action≤5W 6) Electricity consumption: stand-by≤0.5mW; action≤1.2W (0.3s)