LED top shower 1.Colors according to the water temperature changing 2.No battery or power need 3.diameter:22.5cm 4,As the built-in device generating electricity without the battery and any other power connets to water, LED will emit the light. 5,When water flows down,the LED will light instantly and automatically by the water temperature; A. When water temperature is ≤30°C,blue color will show automatically; B. When water temperature is between 30°C 39°C, green color will show automatically; C. When water temperature is above 39°C, Red color will show automatically; 10. 11.certificate 6.A: what's material and how about the chrome effect? B: ABS is the mainly materials,the chrome effect class is A/B 7.A:what's the normal packing? B: White box and double blister packing. 8.A: what's the fittings? B: plastic/zinc/brass are ok .another we have a long pole accessories to fitit. 9.A :What's the payment can you accept? B:T/T AND L/C at sight. 10.A: Do you offer the affer-sale service? B:of course.if it is in normal use of broken,free replacement. 11.A:What's your main market? B: Europe,sweden,france,UK...... 12.A:How many of MOQ normal? B: 500-5000PCS 13.A:Do you have agent in some countries? B:NO,WE are factory. 100% water testing before shipment welcome to contact us for OEM OR ODM