1.Windowless capacitive sensing, the faucet is the sensing body. 2.A 360 degree sensing field around faucet body. 3.Easy use ModelASR2-33DCDetection rangeSensing mode: range <10cmTouching mode: range<1cmIdling power consumption≤ 0.5mWPower supplyDC 6VOpen time≤ 1 secClose time≤ 2 secBattery life≥ 50,000 cycles , 100 times/dayIndiction function for under-voltageBattery voltage ≤ 5.0V, red light ...