Spec：

• ● Power source：DC 3V、，power is supplied from two pcs No.3 battery
• ● Power Consumption：Stand by 1mA˙Max. 150mA
• ● Material ：A B S plastic
• ● Dimension：130mm ×95mm ×36mm

Function：

• ● 1.The model is musical door bell with security function (opeates with magnetic reed switch and delay device for security)