Reimei Light Tsukibou Humbuzzer Black EBB172B4902562497709 (10 sets)

W28 x H78 x D30mm (excluding accessories) 51g (including battery) A safe security buzzer with a low battery notification light. Comes with a loud whistle. ◆Buzzer volume: 93db, whistle volume: 96db ◆Waterproof and dustproof performance: IP64 Body: ABS AAA battery x 1