NoteConnection size: 1/2" (bottom), 3/4" (top). Center distance: 150 mm. [Smart anti-scald faucet] The thermostatic faucet has a temperature scale and buttons to prevent misuse, 38C safety shutdown, stable temperature can be preset, comfortable 38C shutdown a times to avoid water temperature fluctuations MaterialBrass + chrome plating, maintains a lasting luster and at the same time resists corrosion and moisture, does not corrode and eliminates oxidation problems. Rustproof FaucetThe faucet is mainly made of high quality brass, which can withstand high temperatures without losing its characteristics or rusting. Its outer surface is chrome plated to make it harder and more resistant to dirt, bumps or scratches, and it always maintains a shiny finish.