1. No electricity, batteries, or external electricity is needed. Turn on the water source and the light will turn on! 2. Three-color temperature control: change color with temperature, cold water, warm water, and hot water respectively show different colors; colorful self-changing: multi-color free change, colorful light cycle color change 3. Interface size: M24 x 1mm (23.5mm is 6-point tap) fine-tooth external thread 4. Dimensions: length 35mm, outer circle 24mm 5. Net weight: 0.023kg 6. Material: ABS engineering plastic 7. Surface treatment: electroplating
