Will this unit #b604 work on a 5v dc input and still be loud ? and when connecting to 5v dc which is negative and positive anode or cathode ?

It work at 5V DC, and it's very loud. Red wire is positive(first pole at jack)

I need to buy a power pack to run this how many amps will this siren draw from the power pack?

yes. The working current is 100mA at 5VDC power bank, it's 50mA at 3VDC.

What is the current range this can handle? I don't see it listed. This laptop 110v->12v power cable is rated 8 amps.. I'm sure that's too high.

I dont know what do you mean with range . I'm a B103 User , so I dont have this power cable , I have just the wires connected to a WiFi plug and in case of movement (detected by a sensor in a defined room and when nobody is at home) siren is activated automatically . (just an idea about possible use)

Where do you connect the 3.5mm? If i uave a 3prong smart plug, how do i connect this?

You should add a power adapter(12V DC) or 5VDC(phone charger), and because the siren work at 2 to 12VDC. The power from plug is 110VAC.

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2V 3V 5V 6V 9V 12V DC Piezo Electronic Buzzer Very Load Alarm Electric Security Siren Horn 120dB@12VDC

2V 3V 5V 6V 9V 12V DC Piezo Electronic Buzzer Very Load Alarm Electric Security Siren Horn 120dB@12VDC

Product ID: 63394879

Details

Brand
Tokatuker
Color
Black
Power Source
Corded
Product Dimensions
2.13"L x x
Voltage
12 volts

🔊120dB max volume

🔌Wide 2-12V DC compatibility

🛠️Easy mount: sticker or screws

€ 19.15

Duties & taxes included

In stock

Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚨 Make your security impossible to ignore!

COMPACT DURABLE - Sleek 54mm diameter design built with sturdy plastic for long-lasting use
UNMATCHED LOUDNESS - 120dB peak sound level to scare off intruders instantly
MULTI MOUNT OPTIONS - Mount securely with included sticker or screws to fit any setup
VOLTAGE VERSATILITY - Operates seamlessly from 2V up to 12V DC for flexible power options
PLUG PLAY CONVENIENCE - 3.5mm plug connector with clear polarity for hassle-free installation

This 120dB DC Piezo Electronic Buzzer delivers powerful alarm sound from 2V to 12V, ensuring versatile and reliable security alerts. Compact and easy to install with a 3.5mm plug and multiple mounting options, it’s engineered to protect your space with ear-catching intensity that even low voltages can achieve.

Specifications

ASIN	B079L2KBG7
Audible Noise	120 db
Best Sellers Rank	#36,306 in Electronics ( See Top 100 in Electronics ) #131 in Security Horns & Sirens
Brand	Tokatuker
Color	Black
Control Method	Touch
Customer Reviews	4.4 out of 5 stars 210 Reviews
Item Dimensions L x W x H	2.13"L x 2.13"W x 1.89"H
Manufacturer	Bestgo
Mfr Part Number	BT-604-2
Model Number	BT-604-2
Mounting Type	Sticker
Number of Items	1
Power Source	Corded Electric
Product Dimensions	2.13"L x 2.13"W x 1.89"H
Size	B604
Unit Count	1 Count
Voltage	12 volts

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