10 Best Warning Alarms 2023

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Baomain Alarm Warning Continuous Light DC 24V Industrial Buzzer Blue LED Signal Tower

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Specification: LCD CO carbon monoxide poisoning sensor alarm. It uses an electrochemical carbon monoxide sensor-the most accurate technology. The permanent sensor lasts up to five years. The detector is easy to install and use. A perfect item for protecting your family from the dangers of carbon monoxide. Green LED: Flashes every 30 seconds to indicate the unit is operating properly. The green LED will also flash before CO reading is taken and when any button is pressed. Red LED: When a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. Type: Smoke Detector Power Supply: 3 x 1.5V AA Batteries (Not Included) Sensitivity & Time: 50ppm, Alarms within 60-90 Minutes/ 100ppm, Alarms within 10-40 Minutes/ 300ppm, Alarms within 3 Minutes Standby Current: < 50uA (without LCD), < 200uA (with LCD) Alarm Current: < 75mA Shell Material:

Making Warning Alarm System for Room: Do you not like your parents opening door without knocking? Let’s make simple alarm system for your room that will warn you from everyone who is about to enter your room!! What you need: 1 – 9V battery 1 – 12v dc buzzer (Available at Radio Shack…

A perfect item for protecting your family from the dangers of carbon monoxide.   Has advanced level of protection, easy to read with the digital display, even in low light conditions. Displays the level of carbon monoxide the unit is sensing.   Green LED: Flashes every 30 seconds to indicate the unit is operating properly. The green LED will also flash before CO reading is taken and when any button is pressed.   Red LED : When a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 1 cycle every minute until the device is reset or the CO is eliminated.   Test/Reset button is designed for weekly testing if it works properly and reset the unit during CO alarm   Alerts users when batteries need to be replaced. This alarm is highly recommended to be mounted on a wall surface. Compact, lightweight & easy to operate. Specifications: Color: White Size: 10 x 4cm Sensor: Electrochemical CO sensor Packing Content: 1 x Carbon Monoxide Alarm 2 x Screws (not included battery)

A perfect item for protecting your family from the dangers of carbon monoxide.   Has advanced level of protection, easy to read with the digital display, even in low light conditions. Displays the level of carbon monoxide the unit is sensing.   Green LED: Flashes every 30 seconds to indicate the unit is operating properly. The green LED will also flash before CO reading is taken and when any button is pressed.   Red LED : When a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 1 cycle every minute until the device is reset or the CO is eliminated.   Test/Reset button is designed for weekly testing if it works properly and reset the unit during CO alarm   Alerts users when batteries need to be replaced. This alarm is highly recommended to be mounted on a wall surface. Compact, lightweight & easy to operate. Specifications: Color: White Size: 10 x 4cm Sensor: Electrochemical CO sensor Packing Content: 1 x Carbon Monoxide Alarm 2 x Screws (not included battery)

Warning sticker for potential unlawful home intruders.