Best 120 Db Piezo Siren

Door Stop Alarm Home Security, Travel Security Wedge Door Stoppers for Bottom of Door with 120dB Loud, Anti-Slip Floor Mount Doorstop Stop Door from Opening, Portable Hotel Room Door Security Devices

2 IN 1 Door Stop Alarm: A burglary happens every 15 seconds in the US, so you need an alarm security device that's easy to use in your home or travel. CRANACH security door stopper alarm adds a siren alert function basing on the traditional wedge door stoppers. The siren alarm is loud up to 120db, and in most cases, can scare away the intruder or make the intruder sluggish for a short period, delaying the intruder's time to break the door, and notify you, let you feel safe and secure..
120dB Loud Siren Sound: When someone tries to open the door, the door pressing down on the stainless steel platen will trigger the alarm function. The 120dB siren is loud enough to be heard by people within 1,000 feet, alerting security guards and neighbors in the distance, and waking up the deepest sleepers, keeping renters, and travelers feeling safe. If you live with someone with dementia, sleepwalking, or Alzheimer's, the alarm door stopper will also alert you that they are trying to leave..
Strong Grip & Non-Slip: CRANACH door stops with anti-slip damping pattern bottom have strong gripping power and can actively hold their place on any floor, cement, carpet, tile, or hardwood. The non-slip base and wedge shape ensure that if someone tries to open the door, the wedg....

Effective range: up to 5/8 mile (900 yards).
Power with included Rechargeable Lithium-ion Battery Pack, or 8 “AA” cell batteries (not included)..
Battery Indicator Lights Shows Power Status.

Battery powered: 2 AA batteries can last up to 1 and a half years.
The water sensor sends you a notification when it's time for a change.
Sensor probe: Designed to be sensitive, detecting shallow leaks to give you an early warning.
90dB siren: The water sensor is equipped with a loud siren and triggers a localized alarm to alert you of a leak.
Water leak detection alerts: Notifications are sent to your mobile device through the midline app to let you know of a leak, wherever you may be.
Easy setup: Works with your WiFi at home.
Smart home compatible: Supports IFTTT so you can customize additional actions between the water sensor and other smart devices in your home.
Sleep mode: Saves power by limiting connectivity between the Siren and the my link app only when leaks are detected or the siren's button is tapped.
Rated for 120 Volt with a maximum power load upto 15 amps and 1800 watts.

YHAAVALE CJB200E is a multi-function 100W police siren alarm system integration.Come with a Metal Ultra Slim Flat speaker and a handheld microphone.
AUDIO CLARITY AND AUDIBILITY - With an adequate power output of 100W and powerful speakers with a rating of 120-130dB, you get quality audio output....
MULTIPLE OPERATION MODES - This warning system features multiple operation options which include Horn and Siren with the siren option giving you Yelp,....
Alarm installation is simple, easy to operate, stable performance, strong power..
It's suitable for police, fire, ambulance, traffic, engineer, volunteer, and private vehicle to use as a PA system or audio warning device..

GENTLE ALARMS - Alert after 1 minute (for 2 seconds), a second alarm after 2 minutes (for 4 seconds) when the fridge door is still open or ajar..
CONTINUOUS ALARM - Alert after 3 minutes (stay 60 seconds) will help you close the fridge or freezer door in normal situations..
REPEATED SIREN - Loud Mode includes an additional 110dB Siren every 4 minutes (stay 20 seconds), activate using SET Button (4 beeps confirmation)..
FOUR MODES - Quiet (80dB), Medium (85dB), Normal (90dB with a beep every 10s), Loud (95dB, with a beep every 10s and a 110db Siren every 4 minutes)..
EASY TO USE - FRIDGGI emits a low volume beep when you exceed the allowed gap between the Alarm and the mini sensor.
open/close the door to check before peeling the double-sided tape..

A DOOR CHIME FOR BUSINESS WHEN ENTERING THAT YOU CAN HEAR IN THE LARGEST & NOSIEST LOCATIONS: 120db siren connects to 95db plug in receiver adjustable volume gives you control. Makes a great warehouse doorbell or door alert for business. Provides coverage in large areas & noisy locations you never thought possible - most applications can be covered with just one entry alert chime.
A POWERFUL LONG RANGE WIRELESS DOORBELL SIGNAL THAT CAN GO THROUGH VIRTUALLY EVERYTHING: Field tested at up to 4000ft range capability with unparalleled signal prowess that can transmit through metal, reinforced concrete, stone, brick, wood - even multiple floors, unattached structures & buildings.
PROVIDES COMPLETE COVERAGE IN THE MOST DEMANDING APPLICATIONS: This wireless door chime for business provides is expandable & easily configurable to add an unlimited number of transmitters & receivers. Receivers have (4) 12VDC outputs (1 per each of the 4 zones} allowing you to add 12VDC devices (sirens, buzzers, bells, strobes, etc). Transmitters feature (1) N/O, N/C relay & plug in receiver has (1) C relay.
MAGNETIC DOOR CHIME & PUSH BUTTON DOOR ENTRY ALERT WATERPROOF TRANSMITTER: Operates just like a standard wireless doorbell for business - when someone presses the button, the c....

120 dB dual siren alarm helps call for assistance in an emergency and helps deter attacker..
Attaches to backpack, purse or keys for convenient, instant access..
Pull metal chain from device to sound 120 dB alarm. Push pin back in to stop sound and use again..

Aeotec Zwave Siren 6 is your home smart indoor siren. Built with Z-Wave Plus S2 to be a smart home security siren, it features a 110dB speaker coupled with 1,000 lumens visual light alert strobe. Can be used as siren for security alarm, smoke sensor, and CO sensors via Z-Wave.
Pre-loaded 6 security sounds, 8 safety sounds, and 30 tones in total. Each tone is volume adjustable between 80dB and 110dB.
4-hour backup battery lets Siren 6 work even when power is turned off.
Can also be used as doorbell by pairing with Aeotec Button. Can use up to 3 zwave buttons, each sold separately.
5-Compatible with certified Z-Wave gateways including: Samsung SmartThings, HomeSeer, Open Z-Wave, Zipabox and more(Not compatible with Vera). Z-Wave Plus and Z-Wave S2 certified for quicker response time, better wireless range up to 490 feet in open space, and additional wireless security encryption. Z-Wave Plus certification number: ZC10-19046417..