Whenever an EZVIZ sensor is triggered, the T9 emits sound at 85dB within 3 meters and gives off LED flashes to scare off intruders. The T9 is lightweight and can simply be installed on the wall. Standard 5V USB charging interface provides greater convenience. Lisätiedot: Äänentaso, dB 85Tuotteen mitat (L x S x K), mm 121 x 67 x 33Tuotteen paino, g 77