MAIN CHARACTERISTICS accessory / separate part category MARKING ACCESSORIES accessory / separate part type MOUNTING ON PUSHBUTTON COLLAR accessory / separate part destination MULTIPLE-HEADED PUSHBUTTON cap/operator or lens colour WHITE shape of signaling unit head ROUND quantity per set SET OF 1 sale per indivisible quantity 10 product weight 0.01 KG COMPLEMETARY CHARACTERISTICS range compatibility HARMONY XALE operator profile FLUSH main group DOUBLE HEAD PUSH BUTTON