1.Color:Red,Blue 2.Voltage: DC24V Elevator Button 1.Color:Red,Blue2.Voltage: AC/DC12V, AC/DC24V 3.Without BrailleElevator Push Button, Lift Switch, Lift Electric Button, Elevator Electronic Switch Micocontrol has been supplying different types of high quality elevator push button as per customer’s requirement.1. Light Color: Red, Blue;2. Voltage: DC24V;3. Without Braille Elevator Push Button