Spec：

• ● Power source：AC 125V、1A. DC 24V、1.5A
• ● Port：COM、NC
• ● Material ：A B S plastic
• ● Dimension：50mm ×36mm ×15mm

Function：

• ● 1.The doorbell button has a common contact COM port.
• ● 2.The doorbell button has a common contact NC por.
• ● 3.This doorbell button use from the self-adhesives stickers, directly pastes on the wall after tear down the sticker.