1.Waterproof, anti-rust for both indoor and outdoor 2.Various colors 3.Fashion 4. ... and best price Features:1. Stainless steel2. Waterproof, anti-rust for both indoor and outdoor3. LED transformer provided: input 110-240V ... , blue, red, yellow, orange...(RGB color LED letters with programmable controller for option)Application: shops, business, hotel, auto dealers, hospital, school, real ...