When the electricity is cut off, it works for 5 months with a single battery.
It is mounted on the wall or panel.
It does not burn and does not deteriorate if it is constantly on or off.
TO USE THE 2nd VOICE INSIDE THE PRODUCT
CONNECT THE THIN CABLES FROM THE BACK OF THE PRODUCT TO ONE.
DO NOT ELECTRICITY TO THE THIN CABLES OTHERWISE THE PRODUCT WILL BE DAMAGED.
Net Weight/Weight: 201 grams
|Tone Count||Double Tone|
|Volume||70-120dB range (max at source)|