1.Electricity supplier self-generated electricity device , no battery, no ac power, just by water pressure; 2. Induction scope microcomputer automatic adjustment with optimal sensor distance 3. Water conserve automatic adjustment with the switch of the faucet no need to touch the faucet 4.Working pressure 0.05-0.8mpa but the optimal pressure is 0.1-0.6mpa 5. Working temperature 0.1-60 6. Inlet pipe thread g1/2¡±