It has temperature regulator and double sensor. Power and voltage:CR 123A lithium battery, D/C 3V Diameter of water pipe: G1/2” Water pressure:0.05-0.9MPA Power consumption in static: ≤0.5mW Detection zone:front sensor:20cm,top senspr:14cm (Based on standard inductive board) Temperature:0.1℃-60℃ Material:zinc alloy chromeplate 80 cycles/day,doesn’t need to change battery within 3 years.