LOT 20 X PIEZO SIREN 5-12VDC 9Hz 110ms diameter 45mm U.S.A PAT. NO. 4979219, US $300 – Picture 0

LOT 20 X PIEZO SIREN 5-12VDC 9Hz 110ms diameter 45mm U.S.A PAT. NO. 4979219, US $300 – Picture 1

Lot 20 X Piezo Siren 5-12vdc 9hz 110ms Diameter 45mm U.s.a Pat. No. 4979219

US $300

RISHON LE ZION, israel, Israel
Jan 30th

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LOT 20x PIEZO SIREN 105 dB(A) 5-12VDC 9Hz 110ms max 250mA at 12VDC diameter 45mm length= 47mm U.S.A PAT. NO. 4979219 TAIWAN PAT. NO.46902 2 wires red(+) and white(-) Extremely noisy and loud hard to evoid that noise!! good for alarm systems and car reverse noise and car alarm system. dimensions diameter 45mm length= 47mm hole to hole mounting holes 24mm A piezoelectric speaker comprises a drive unit having an auxiliary diaphragm bonded with a piezoelectric transducer element for producing sound thereby and a horn member having a resonance device including a reflection cover defining a plurality of first cusps and a mid plate defining a plurality of second cusps laterally offset with respect of the plurality of first cusps for promoting the sound output in decibel of the speaker. - See more at: http://www.patentbuddy.com/Patent/4979219#sthash.fzm6SHaw.dpuf ALL BRAND NEW! Thank you. We are members in ebay since 2003, We are a family business and we do our most to make our customers satisfied by shipping the items purchased fast and well packed. We try to reply any request or message within 2 hours. Our customer services are at your service any time. Our products are original by 100% and all of our products are being checked through quality check and insure you will get exactly what you purchased. Warranty: We provide a 14 days warranty and customers are not asked to pay shipping back the item. Stock: We hold a large stock in our warehouses and we store it in optimal conditions and well packed, we handle them very carefully. Customers or general inquiries about the item description or an option to purchase different quantities or lots are most welcome to contact us and we promise to provide an instant reply to any of these demands. We would like to thank you in advance for having an interest in our products and we wish you a pleasant purchase from Sentory-Global-Trade. Combined Shipping: We do combine shipping but you have to first read carefully the shipping options instructions. In case of multiply items, we offer a 20% discount of the total shipping costs, In case of a total weight of more than 2Kg, we will ship more than on1 package, We will provide tracking numbers through Ebay System. Posted with eBay for iPad