|
상품번호 : 220024 | |
|
|
(0) | (0) |
---|
● A reminder for when noise level gets too high!
● Signals when there is too much noise in a room
● You select the appropriate sound level for any given situation
● Audio-visual reminder to keep noise levels down
(0) | (0) |
---|
(0) | (0) |
---|