just the Sensor

This LED Water Faucet fits on most taps and LED light will light up when you turn on the tap.

Features:
This little device fits on most taps and lights up a set of LEDs when you turn on the tap.
Transforming the stream of water into a beautiful waterfall of light.
The sensitive faucet light will change colors according to the temperature of water.
The color`s change remind you the water`s temperature.
Water glows Red when water is Hot (temperature above 44°C).
Water glows Green when water is Warm (temperature is 32°C - 43°C).
Water glows Blue when water is Cold (temperature below 31°C).
No batteries and external power supply， it will illuminate after water flows down.
Offer you a delight & wonderful experience.
ABS chroming material， excellent corrosion resistance， durable.
Ideal for bathroom or kitchen to make it fantastic.
Get the CE & RoHS certificates.

Direction for use:
Firstly， take off net from tap screw thread.
Secondly， install LED faucet light screw thread.
Thirdly， usage of adapter screw thread inside universal adapter.

Specifications:
Case material: ABS
LED emitting color: Green， Red & Blue
Inner diameter of tube: 1.5cm
Outer diameter of tube: 2.3/2.4cm
Item size: 3.5 * 2.4 * 2.4cm
Item weight: 21g