temperature controlled green red led faucet light

1. No batteries, no wires needed, built-in mini hydroelectric generator, when water flows the LED lights up instantly and automatically. 2. When water flows the led lights up instantly. Lights up: Green when water temp is below 40° C Red when water temp is above 40° C Changes color by detecting water temperature Water pressure activates the light source 3. Light goes off when water source is turned off 4. With two universal adapters. Fits most water faucets. Product Size: Diam: 4cm H: 6cm Shell material: ABS Plastic Surface treatment: Electroplating Led quantity: 4pcs Packing details: Blister Blister: 19x12.5x4.5cm QTY: 100PCS N.W.:7KGS G.W.:7.5KGS MEAS: 51x47x27CM