LOP and COP Buttons are push buttons used for elevators. These DC powered buttons require 24 v voltage to function. Approximate operating pressure of these products ranges between 2.5N to 5N. These can be operated by maintaining maximum 0.6mm distance. Approximate thickness of these accessories is 15 mm. Input current of these LOP and COP Buttons is less than 110 mA. Operating temperature of these products ranges between -20 degree C to 50 degree C and their maximum storage temperature is 60 degree C. These have power saving arrangement and alarm information function. Long lasting quality and low maintenance cost are their main aspects.