Inside microphone: -48db 20Hz-20KHz, Exterior size: 158x 87x 46cm/78x 20 mm, Outside microphone: -48db 20Hz-16KHz, Working voltage: AC9V/1A, Main sound (sub sound): 3W.
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Retevis RT-9908 Dual Way Window Intercom System Bank Counter Interphone Two Way Intercom Intercom bank pharmacy Table Microphone | $38.38 | – |
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Banggood
Warehouse in Europe 
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Link: Retevis RT-9908 Dual Way Intercom System [EU]
$9.99 with coupon: BG8892c0
$23.49 with coupon: BG589b2e
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Price history and price alert
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Price records source(s): Banggood
Click on image to enlarge. ![Price history for Retevis RT-9908 Dual Way Intercom System [EU]](https://couponsfromchina.com/pricehistory/History36915.png "Retevis RT-9908 Dual Way Intercom System [EU] price history")
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