When water temperature is below 113F lights glow blue, when water temperature is between 114F to 121F lights glow red, when water temperature is over 122F lights flash red. Never be scalded again by entering a shower that is just too hot. Clear rubber nozzles allow for easy cleaning if clogged by debris. Standard size, replace your old shower head with this exciting new product, the threading is universal so it will fit any standard shower head by simply unscrewing the old one by hand and attaching the new one, a shower arm is not included, this head can be used with either a wall or ceiling mounted arm. Features a swivel adapter which allows you to angle the shower head during use.Flow rate (gallons per minute). This item is in the category "Home & Garden\Bath\Showers, Bathtubs & Parts\Shower Heads & Combos". The seller is "decohub" and is located in this country: US. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech Republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, Korea, South, Indonesia, Taiwan, South Africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi Arabia, United Arab Emirates, Qatar, Kuwait, Bahrain, Croatia, Republic of, Malaysia, Chile, Colombia, Costa Rica, Dominican Republic, Panama, Trinidad and Tobago, Guatemala, El Salvador, Honduras, Jamaica, Antigua and Barbuda, Aruba, Belize, Dominica, Grenada, Saint Kitts-Nevis, Saint Lucia, Montserrat, Turks and Caicos Islands, Barbados, Bangladesh, Bermuda, Brunei Darussalam, Bolivia, Egypt, French Guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman Islands, Liechtenstein, Sri Lanka, Luxembourg, Monaco, Macau, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay.