Heidemann Door Security & Furniture Bell button 619865 - Heidemann 70528, The Heidemann 70528 bell button is made of stainless steel and operates at 24 V/0.5 A. It features an integrated nameplate for easy identification. This durable V2a doorbell button is ideal for residential and commercial use. Heidemann 70528 Bell Button Stainless Steel LED Ring IP65 24V 0.5A
