It detects vibrations from windows and doors, and the alarm will notify you. The sensitivity can be switched between strong and low. Easy to install, just stick with double-sided tape. Package form: Slide blister / Batteries used: 2 x AAA batteries (sold separately); Alarm volume: Approx. 110dB; Battery life: Continuous standby; Approx. 90 day size: W 2.2 x H 2.8 x D 1.0 inches (55 x 72 x 26 mm); Weight: 1.4 oz (41 g); Color: White; Country of Origin: China
●窓ガラスやドアなどの振動を感知してアラーム音でお知らせ
●感度を強と弱に切替え可能
●両面テープで貼るだけの簡単取り付け