electronic faucets 1, Electric power: DC Dry Battery.(4AA--6V) 2, Sensor: 50,000 times. 3, Brass body. 4, CE, ISO9001-2000. Features: 2, Suitable water pressure: 0.05~0.8MPa3, Detection zone: Preset 30cm4, Dia. of inlet pipe: G1/2"(DN15)5, Dia. of outlet pipe: G1/2"(DN15)6, Brass body.7, For cold water.Certificate: ISO9001-2000, CE