About this product: No extra power or battery needed, the water stream can provide power flow for LED lighting. The circle luminous of the light-emitting diode indicates the color of blue, green or red light according to the corresponding water temperature range (0 ~ 29 : blue; 30 ~ 41 : green; > 41 : red); People can relieve pressure and eliminate fatigue through color conversion. The color changes according to the temperature of the water passing through it. Made of ABS and TPR, eco-friendly, safe and durable for long term use. Multi-layer plating treatment ensures corrosion resistance and smooth surface. energy saving, environmental protection. A great replacement for the shower head sprayer, easy to install. The shower head handle plugs directly into your shower hose. Product Description: 1. No need extra power or battery, water jet can provide power jet for LED lighting. 2.LED light circle indicates light color blue, green or red depending on the corresponding water temperature range (0~29 29: blue; 30~41: green; >41: red); People can relieve pressure and eliminate fatigue through color conversion. 3.Color changes according to the temperature of the water passing through it. Made of ABS and TPR, eco-friendly, safe and durable for long term use. 4.Multi-layer plating treatment ensure corrosion resistance and the smooth surface. energy saving, environmental protection. 5.A great home bathroom shower head sprayer replacement, easy to install. The shower head handle connects directly to your shower hose. Features: Condition: brand new. Material: ABS. Color: Black. Male thread: G1 / 2. LED power supply: Hydroelectric generation (no additional battery required). Light Color: Blue (0~29); Green (30~41); Red (> 41). Size (H x W): approx. 24 x 12.5 cm / 9.45 x 4.92 inch. Weight: approx. 210g. Package included: 1 x hand shower. Note: 1. Please allow 0-2cm error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from Note: Data is manual measurement, please allow error from 1-201cm, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.