Descriptionn; No Battery Water Faucet Glow LED Temperature Sensor Tap; This is LED temperature sensor tap, made from Chromate ABS material, very durable and easy to clean; Water saving design, in the connnection of top, setting water saving and filter systems; Special and interesting design, It can change the LED's color according to the temperature of the water; 1.Green: When water is Cold (temperature below 30degreeC); 2.Blue: When water is Warm (temperature is 30degreeC - 35degreeC); 3.Red: When water is Hot (temperature above 35degreeC); Material:Chromate+ABS; LED Color:Sensor color changing; Shell Color:Silver bright; Surface Treatment:Water plating; Type:Can be connected to shower head with adapters; Size of adapters:M24*1mm(2.4) M20*1mm(2.0) outer screw thread attached; Product size:56*28mm (H*Dia); Package Include: 1*Water Glow LED Faucet; 1*Universal adapter from external screw thread (2.3cm in diameter); 1*Universal adapter from external screw thread (2 cm in diameter)