Reviews 4channel Alarm Output

FINDER 90.26 Relay Socket, 250V, 10A, DIN Rail

  • Output can be directly connected to microcontroller, through single chip microcomputer to detect the high and low level, thus to detect whether there is a vibration environment, call the police..
  • This module is compared with the normally open type vibration sensor module, vibration trigger for longer periods of time, can drive the relay module..
  • Product vibration, the vibration switch instantaneous disconnection, output the output high level, the green light is not bright.
  • Product no vibration, vibration switch is closed on state, the output terminal output low level, the green light is lit.
  • Used to trigger the effect of various vibration, theft alarm, intelligent car, earthquake alarm, motorcycle alarm, etc.
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AGPtek® Universal Digital PID Temperature Controller RNR Control Out Dual display For Fahrenheit(F) and Celsius(C)

  • Display: Dual display for Fahrenheit(F) and Celsius?.
  • Range: -1999 to 9999 (depends on the input signal).
  • Main output: Relay,Normal open, AC 250V/3A DC 30V/3A COS¦Õ=1.
  • PID cooling/heating control( can choose normal alarm output by software).
  • Alarm output: 2 lines output,7 kinds of alarm mode..
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Number-one Digital Alarm Clock Bedside Radio with Qi Wireless Charging and USB Port Bluetooth Speaker Non Ticking, 3 Level Dimmable LED Display, Dual Alarm, AUX Input,Mains Powered with Backup Battery

  • 【Wireless Charging 10W Output】The output power of this upgraded alarm clock wireless charging output is 10W, which is twice as fast as ordinary wireless charging. Simply place any QI wireless charging enabled device on the digital alarm clock, totally eliminate the radiation and overheating risks associated with wireless charging. When the device battery is fully charged, it will automatically stops charging to protect the battery..
  • 【Multifunctional Alarm Clock】Not like regular alarm clocks, this multifunctional digital alarm clock radio has Bluetooth Speaker + Digital Alarm Clock + FM Radio + Night Light + Wireless Charger + USB Charger + TF card Player + AUX Player. This alarm clock has everything you ever needed! Built-in 2000mAh rechargeable lithium-ion battery, it can provide up to 6 hours working time..
  • 【Bluetooth V5.0 HiFi Speaker】The wireless speaker also support AUX line-in, TF card. You could use the Bluetooth alarm clock as a HIFI stereo surround speaker, PC speaker, TV speaker, 50mm long stroke speaker and 50mm passive diaphragm, clear and powerful 4D HiFi stereo bass sound experience, play favorite tunes, listen to local radio. Built-in high-definition microphone, when connected to mobile phone, it can be used to answer calls..
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KETOTEK Temperature Humidity Controller Module AC 120V Humidity Regulator Thermostat Humidistat Cooling Heating Humidifier Dehumidifier Switch for Incubator Greenhouse

  • 【Safe, lightweight and versatile】Made in ABS material for safer use, this temperature and humidity controller is small and lightweight. It can be....
  • 【Dual output】This humidity regulator can control temperature and humidity at the same time, and can be connected with cooling or heating device....
  • 【High precision】This humidity switch is equipped with high-precision temperature and humidity sensor probe, delivering accurate and stable....
  • 【Specification】Power supply: 120Vac, Output: Max 10A 120Vac(10A Relay inside, please use Load current .
  • 【Security alarm】Alarm when temperature or humidity exceeds high / low temperature humidity setting value, alarm when sensor error or temperature /....
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Dr Prepare Projection Alarm Clock Digital Clock Projector with Indoor/Outdoor Thermometer Hygrometer USB Charger and AC & Battery Operated Dual Alarm Clocks for Bedroom with Weather Forecast

  • 【180° FLIPPED PROJECTION CLOCK】Clearly projects time and temperature on ceiling or walls. Long press the minus button “-” to flip projection....
  • 【IPX4 WIRELESS SENSOR】An included splash-resistant wireless sensor transmits 433MHz signals to your projection alarm clock to display real-time....
  • 【DUAL ALARM CLOCK WITH SNOOZE】Digital projection alarm clock makes it possible to set two separate wake-up alarms. Snooze function gives you an....
  • 【BATTERY BACKUP】Powered by 2 AAA batteries (not included), this projection alarm clock will keep time settings when you plug out the wall adapter....
  • 【USB OUTPUT】A 5V/ 1A USB output interface at the side of the projection alarm clock allows you to charge your iPhone, Android cellphones, and....
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100 INTELLid 26 Bit Clamshell Proximity Access Control Cards

  • 1,100 Users over 2 Outputs. Codes may be 4~8 digits: - Output #1 – Form C relay, 1A@30VDC, 1,000 users - Output #2 – Form C relay, 1A@30VDC, 100 users.
  • Outputs can be programmed to activate for up to 99,999 seconds (nearly 28 hours).
  • Up to 50 (01~50) possible temporary visitor codes, which can be programmed for one-time or limited-time use (1~99 hours).
  • Programmable egress input with optional warning alarm and delayed egress.
  • Up to 50 (01~50) duress codes for output #1 and 10 (01~10) for output #2.
  • Duress code signals a silent alarm if an authorized user is forced to open the door under duress.
  • Keypad illuminates when a button is pressed.
  • backlight can be programmed for FULL, AUTO, or OFF in standby mode.
  • Real-time clock to auto-disable access at specific times.
  • Door sensor input for anti-tailgating operation, Door-propped-open warning, Door-forced-open warning, Durable and attractive stainless steel faceplate, IP66 Weatherproof Rating.
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20/24 4/6/8 Pin Computer PC Power Supply Tester with LCD Display and Buzzer for ATX, ITX, BTX, PCI E, SATA, HDD

  • ...01V), automatic fault alarm, complete test interface, small and beautiful appearance, and more test functions. It is your best choice and reliable helper to quickly detect PC power..
  • EASY TO USE: This power tester only needs to be connected to the power supply ATX connector to easily and intuitively know whether the output of each power supply is normal. It can detect ATX, BTX, ITX, TFX computer power supply, and can display various voltage and PG values in LCD screen to quickly detect the performance of computer power supply..
  • PRACTICAL & CONVENIENCE: Small and practical power tester. Now the number of power output groups is increasing. As long as one of them has problem, the hardware of the computer system may work abnormally or even burn out. To measure whether the output voltage output of the power supply is stable, the player usually uses a multimeter. But for the average user is still a little troublesome..
  • NOTE: It can also measure the output wire P4/P6/P8/SATA/IDE, and the external DIE/SATA/P6/P8 is the light display, there is no LCD voltage. There is LCD voltage display only when connecting to the 24pin or 20pin..
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Alarm Clock with Wireless Charging 18W Max USB Charger Loud Alarm Dimmable Display Snooze Indoor Temperature – 18W Power Adapter Included

  • ⚡Maximum 10W Wireless Charger. The Wireless Charging Alarm Clock supports 7.5W charging output for Apple iPhone (8/X/11/12/13), 10W charging output....
  • ⚡ Up to 10W USB Charger. This Alarm Clock comes with USB Charger to support maximum DC 5V/2A output, which can safely charge your....
  • ⚡ Full Charging Experience. A 18W Power Adapter is included to perfectly meets the power requirements of the wireless charging and USB charging..
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Inkbird PID Temperature Controller Kit High Voltage 100ACV to 240ACV Comes with SSR 40DA Solid State Relay K Type Thermocouple and White Heat Sink

  • 【Alarm Output】With one alarm relay output: AC250V 3A (Resistive load) ON/NC, you may connect it with a buzzer..
  • 【Supports 3 Wires Sensors】3 wires sensor or 2 wires sensor, like K type thermocouple and Cu500, are supported by this PID temperature controller.
  • 【SSR Output】With one relay output for external SSR, SSR or relay is a must for this temperature controller. A 40DA SSR is included.
  • 【Digital Display ℃/℉】It’s a digital PID controller but also supports Centigrade and Fahrenheit reading.
  • 【2 Temp Displaying Windows】The real-time temperature and the setpoint are shown at the same time.
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Denali SoundBOMB 120dB Motorcycle Horn

  • YHAAVALE 9200E is a multi-function 100W police siren alarm system integration.Come with a Metal Ultra Slim Flat speaker..
  • 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 which is audible from a distance away.You can also adjust the volume..
  • MULTIPLE OPERATION MODES - This warning system features multiple operation options. with the siren option giving you HIGH,BASS,FIRE,AIR DEFENSE ,MUTU and also Manual Horn & Manual Siren..
  • 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..
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