Is it possible to add more than one siren?

Hi friend, Do you want to add one more siren the same type as the picture? If yes, it is able to do that, you just need to pair all accessories with two sirens first, then when any sensor is triggered, the two sirens will alarm and you can use the same remote control to control the two sirens. Thanks.

after sounding the alarm does it return to armed state?

Dear friend, Yes, after it goes off. the siren wil return to armed state, unless you disarm it within a remote control. If any other problem,please feel free to contact us via Amazon message or after-sale email fuers.csc01@outlook.com

Can i purchase two kits and connect four motion detectors to one alarm?

Hi friend, Yes, you can. This KERUI standalone siren can add 8 remote control,30 motion sensors and 4 doorbells for maximum.

I just want the motion sensors and siren, do I have to buy another unit with all these door chingo's I dont need?

Dear friend, The full kit save you money,you know the siren must a remote control to work together.here is the items link you can buy: https://www.amazon.com/dp/B0749G4PNC?ref=myi_title_dp https://www.amazon.com/dp/B00PQ80EIY?ref=myi_title_dp https://www.amazon.com/dp/B075RT6NNR?ref=myi_title_dp You can also buy a small full kit to save money,here is the link: https://www.amazon.com/gp/product/B00OHCJZWQ/ref=ask_ql_qh_dp_hza If any other problem,please feel free to contact us via Amazon message or after-sale email fuers.csc01@outlook.com

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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KERUI Standalone Home Office Shop Security Alarm System Kit,Wireless Loud Indoor/Outdoor Weatherproof Siren Horn with Remote Control and Door Contact Sensor,Motion Sensor,Up to 115db,NO WiFi/GSM/APP

Product ID: 208370457

Details

Battery description
Lithium-Ion
Brand
KERUI
Colour
Black White
Compatible devices
Personal
Power source
Battery

📡433MHz wireless frequency

🔊115dB ultra-loud siren

🔋Battery-powered, no WiFi needed

Description

🚨 Secure your space, skip the subscription—peace of mind unplugged!

EMERGENCY SOS BUTTON - One-press remote SOS alarm alerts neighbors fast—perfect for seniors and kids.
POWERFUL 115 D B SIREN - Instantly deters intruders with ear-piercing alerts both indoors and outdoors.
TRUE WIRELESS FREEDOM - 433MHz frequency supports up to 30 detectors & 8 remotes—expand your security effortlessly.
DIY CUSTOMIZABLE SETUP - Plug-and-play with clear guides; tailor your security with multiple sensor types included.
NO INTERNET NO HASSLE - Standalone system with zero WiFi or app dependency for ultimate privacy and reliability.

KERUI’s Standalone Home Security Alarm Kit delivers a robust, wireless defense with a piercing 115dB siren, supporting up to 30 detectors and 8 remote controls on a reliable 433MHz frequency. Designed for privacy-conscious users, it operates fully offline—no WiFi, GSM, or app needed. The kit includes motion and door sensors, remote controls with SOS functionality, and easy DIY installation, making it ideal for homes, offices, and small businesses seeking affordable, expandable, and hassle-free security.

Specifications

ASIN	B00OHD15E6
Battery Description	Lithium-Ion
Brand	KERUI
Colour	Black, White
Compatible Devices	Personal Computer
Control Method	Remote
Customer Reviews	4.4 4.4 out of 5 stars (588)
Global Trade Identification Number	00706551599320
Included Components	Battery, Remote Control, Sensor, Siren
Manufacturer	KERUI
Maximum Range	250 Feet
Model Number	KERUI-H01
Mounting Type	Wall Mount
Number of Batteries	7 12V batteries required.
Part Number	0301KRLargeSpeaker2P3D2RC
Power source	Battery Powered
Sensor Technology	Motion Sensor, Contact Sensor
Sound Level	115 Decibels
UPC	706551599320
Unit Count	1.0 count
Voltage	220 Volts

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