HIK-747 DS-K7P04 CONTACTLESS EXIT REQUEST BUTTONNon-contact exit request button. Detection range 40~120 mm. LED indicators. Made of stainless steel. 12V DC.CONTACTLESS EXIT REQUEST BUTTONNon-contact exit request button. Detection range 40~120 mm. LED indicators. Made of stainless steel. 12V DC.View price