How you activate this siren, is there a button on this siren or need a signal, what kind of signal

You would need to connect it to a compatible alarm control panel. The alarm panel provides the control signal and power to the siren.

can this be wired in with stranded wire to our Honeywell /ademco vista 20p? also usable outdoor but under cover?

Yes these are standard sirens for any Ademco (and many other) systems. Yes they can be used outside covered from the weather such as under an eve. I have mounted then inside eve vents and attic vents too - Ron

Can multiple Wave-2 sirens be connected to a Vista 20p? If so, how are they wired (serial or parallel)?

I don't think they can be. I tried both ways and neither worked. I only have 1 of the 2 horns wired on my system. I couldn't get both to work I think they pull too many amps for the little system. If you do find a way please let me know

Seriously wish this had a flashing light is there one just s few dollars more that’s WiFi Soren with left?

Just know it isn't that quick. Even if you had wifi, you would still need software to connect to wifi and a relay control mechanism to provide power to siren. I uses a PIR (passive infrared sensor) plus relay to activate mine.

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Honeywell WAVE-2 Two Tone Siren

Product ID: 550766874

Details

Brand
Honeywell
Colour
White
Compatible devices
Honeywell Wave
Power source
Corded
Product dimensions
12.7L x 10.2W

⚡12VDC power efficient

🔊106dB piercing alert

🔧Hinged case, no disassembly

R$634

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Description

🚨 Command Attention with the WAVE-2 Siren—Loud, Smart, and Ready to Mount!

POWERFUL ALERT - Delivers a sharp 106dB two-tone siren sound to ensure your space commands attention.
VERSATILE MOUNTING - Fits standard single gang boxes and mounts on corners or ceilings, vertically or horizontally—no extra hardware needed.
SEAMLESS CONNECTIVITY - 3-position terminal block for quick, secure wiring—perfect for busy pros who value speed.
OPTIMIZED CURRENT DRAW - Consumes just 500mA at 12VDC, balancing loudness with energy efficiency.
EFFORTLESS INSTALLATION - Hinged case design means no disassembly—get it mounted and running in minutes.

The Honeywell WAVE-2 Two Tone Siren is a compact, energy-efficient alert system delivering 106dB sound at 12VDC. Its innovative hinged case allows quick installation without disassembly, supporting versatile mounting options on standard single gang boxes. Designed for professionals seeking reliable, powerful alerts with easy wiring and minimal setup.

Specifications

ASIN	B0006BCCAE
Best Sellers Rank	1,389,333 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,296 in Sirens
Brand	Honeywell
Colour	White
Compatible Devices	Honeywell Wave series devices
Control Method	Touch
Customer Reviews	4.6 4.6 out of 5 stars (685)
Item Dimensions L x W x H	12.7L x 10.2W x 5.1H centimetres
Item Weight	1 Pounds
Manufacturer	Honeywell
Maximum Range	1 Metres
Model Number	WAVE2
Mounting Type	Ceiling Mount
Number of Items	1
Number of Packs	1
Part Number	WAVE2
Power source	Corded Electric
Size	Standard single gang box size
Sound Level	106 Decibels
UPC	781410193437
Unit Count	1.0 count
Voltage	12 Volts

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R$634

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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