Specifications:<br />Case Material: ABS<br />LED emitting color: Multicolor change automatically<br />Connection standard: G1/2<br />Item size: 20 * 20 * 9.4cm / 7.9 * 7.9 * 3.7in<br />Item weight: 610g / 1.3Lbs<br />Colors  are displayed automatically when water flow (the light colors are NOT affected by water temperature)