268 Search Results for: “alarms”

3 to 24V Electronic Buzzer Beep Alarm is a mini electronic beeper support DC 3-24V power supply. Electronic Buzzer Beep Alarm produces continuous high-decibel alarm sound up to 95dB. A buzzer or beeper is...

5v to 12V Electronic Buzzer Beep Alarm is a mini electronic beeper support DC 5-12V power supply. Electronic Beeper produces continuous high-decibel alarm sound up to 95dB. A buzzer or beeper is an audio signaling device, which...

12V Piezo Buzzer Alarm Speaker has a continuous sound.Piezo Buzzer can be used as an alarm speaker.This speaker is extremely loud  Its sound output is 120db and can be heard...

Jh-2158 CLOCK RED Digital Clock sign – Thermometer – Red LED calendar. Small size for mounting either on a wall or on a table.legitimate from a long distance.Time, minute, date,...

A 5V Active Alarm Buzzer Module for Arduino is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric. Just like what you are viewing now, it is 5V...

This is the Magnetic Door Switch Set, a small reed switch assembly specifically designed to alert you when doors, drawers, or any other aperture opens. These types of switches are...

The VST-883-white LED Desk Clock is a unique and functional timepiece that adds a touch of modern elegance to any space. With its bright LED display, compact design, and versatile...

Vibration sensor module alarm Motion sensor module vibration switch SW-420 module based on the vibration sensor SW-420 and Comparator LM393 to detect if there is any vibration that beyond the...

Product name: Low Voltage Buzzer Alarm Use for 1-8S Lipo/Li-ion/LiMn/Li-Fe Unit voltage display range: 0.5~4.5V Voltage detection precision: +_0.01V Total voltage display range: 0.5~36V 1S test mode voltage range: 3.7~30V...

UT337A is a portable meter for detecting carbon monoxide gas. It can measure a wide range of CO concentration with short response time. Users can set up both audio and...

95DB Alarm High-decibel 3-24V 12V Electronic Buzzer Beep Alarm Intermittent Continuous Beep KY-006 3pin Miniature Passive Buzzer Alarm Sensor Module: Structural principle buzzer (A) the introduction of the buzzer 1....

A piezo buzzer is a type of electronic device that’s used to produce a tone, alarm, or sound. 85db passive piezo alarm is lightweight with simple construction, and it’s typically...

A12T/13T measures real-time temperature and humidity and display readings on a large screen. These can be  used for both indoor and outdoor measurements. A12T has an additional external sensor probe...

UNI-T A12T is a compact weather station that measures temperature and humidity in real time. The data is displayed. The device can be used both indoors and outdoors. The weather station comes with an...

A37 is used to detect CO2 concentration in different environments. The LCD displays CO2 concentration, temperature, humidity, and date/time together. Air quality is indicated with emoticons. When CO2 concentration gets...

Weather station HTC-2A for measuring the air temperature inside and outside + a hygrometer with a remote sensor for measuring indoor humidity. Convenient digital thermometer HTC-2A can be placed on the table hung on...

EMF detector can test electric field radiation and magnetic field emission to achieve the optimal test result. It is widely used to test and learn electromagnetic radiation situations indoor and...

UT161 series are reliable true RMS digital multimeters with display counts 6000 (UT161B/D) and 22,000 (UT161E). It can measure up to 1000V AC/DC. Equipped with audible and visible alarm, this...

UNI-T UT3248+ Multi-Channel Temperature Tester UT3200+ Series UT3200+ series multi-channel temperature tester has six models, UT3208+/UT3216+/UT3224+/UT3232+/UT3240+/UT3248+, corresponding to 8, 16, 24, 32, 40 and 48 channels respectively. The instrument has...

UT161B is a reliable true RMS digital multimeter with a display count of 6000. True RMS DMM can measure up to 1000V AC/DC. Handheld Multimeter is equipped with an audible...

1. RCWL-0516 is a type of microwave induction module that uses Doppler radar technology to detect the movement of objects.2.it has the characteristics of high sensitivity long-distance detect strong reliability...