Material: The faucet body is made of all copper, which is sturdy and compatible for long-term use. DURABILITY AND VALUE: Faucet cartridges are manufactured with a focus on exceptional quality and value. Easy installation: No need to drill holes in the faucet, just insert the valve into the faucet and tighten it. The temperature range is 20 - 48 degrees Celsius, the safety button is 38 degrees Celsius. This valve is used with built-in thermostats and stick thermostats. If the water temperature is unstable or continues to switch from hot to cold, the thermostat must be replaced. Color: Brass color Material: brass Package contents: 1 * Thermostatic faucet Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.