Hand Crank Air Sirene,Serine Manual Alarm Darurat

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People respond to the sound of a siren. Now you can get someone's attention in a hurry with this hand crank siren. It may look small but don't be fooled this powerful tool emits a 110dB signal that is audible up to 1/4 mile away, making it a great choice for schools, golf courses or calling in the cowboys for chow time. Manual operation; doesnt require electricity to operate. Made of plastic. 5 3/4in.L x 5in.W x 5 3/8in.D; includes handle and carrying case.

When it's time to call in the kids for dinner, wake them up in the morning or just announce an emergency, you need the cool new 1/4 Mile Hand Crank Siren. This no nonsense alarm will surely get everyone's attention as you turn the manual crank to produce a ridiculously loud siren that can be heard up to a 1/4 mile away. You never know when or where you'll need it, but I'm sure there's plenty of clever uses for a deafening compact device like this.

Size: 36 x 36 x 50 cm;

Main materials: ABS plastic, w/o lead;

Weight: 0.6KGS;

Ketika saatnya untuk memanggil anak-anak,karyawan untuk melakukan aktifitas,memberikan peringantan mereka di pagi hari atau hanya mengumumkan keadaan darurat,1/4 Siren Tangan Crank Mile. Ini tidak ada alarm pasti akan mendapatkan perhatian semua orang saat Anda memutar engkol manual untuk menghasilkan sirene ridiculously keras yang dapat didengar hingga 1/4 mil jauhnya. Anda tidak pernah tahu kapan atau di mana Anda akan membutuhkannya, tapi aku yakin ada banyak kegunaan pintar untuk perangkat kompak memekakkan telinga seperti ini.

Ukuran: 36 x 36 x 50 cm;

Utama bahan: plastik ABS,