Best Buzzer Alarm

uxcell 20pcs 35mm Diameter Piezo Discs Piezoelectric Ceramic Copper Buzzer Film Gasket

Electromagnetic buzzer is composed of oscillator, electromagnetic coil, magnet, vibrating diaphragm and housing..
3V DC low voltage power supply, suitable for alarm application of various electronics..
Widely used in computer, printer, copier, alarm, electronic toy, car electronic equipment, telephone, timer, etc..
Stable Performance, good practicability, high quality plastic and metal material, long service life..
The buzzer will issue long alarm in relatively high voice once powered on, safe and reliable to use..

⚡ Power Oultage Alarm Perfect for Monitoring Refrigerators, Freezers, Sump Pumps, Aquariums.
Power Failure Alarm is MCU Monitors Voltage at All Times and Alarm Volume>95db.
Built-in Safety Lithium Battery 400mAh (CE certified),Continuous Alarm Time > 8h.
⚡ Power Oultage Alarm with Mute Reset Button and With Switch Function and 15A Socket.
Plug in the 120V power supply, turn on the switch (ON position), the buzzer will prompt power on, the indicator light will be on, if you press the reset button, the buzzer will make sound for 2s. If there is a power failure (power supply voltage OFF->ON)..

Quality Component: Professional design, designed with a compass for easier and quicker tuning. Powered by the receiver, nice tool for campers..
Easy To Use: With an electronic buzzer, easy operation, LCD with backlight to show the satellite signal..
Accurate Measurement: This professional digital satellite detector is much more accurate than any other measuring equipment of its kind..
Useful Tool: Connect your LNB and receiver to the satellite finder to track the clearest setting for the satellite you wish to tune to..
Signal Alarm Buzzer: Built in 0Hz, 22KHz, 13V, 18V signal alarm buzzer, buzzer and damping control..

Active drive inside buzzer and simplify your design, only needs to control buzzer on or off.
Widely used in security and home alarm system, or other areas needs sound alarm.

Active drive inside buzzer and simplify your design, only needs to control buzzer on or off.
Widely used in security and home alarm system, or other areas needs sound alarm.

【Wake by Super Bed Shaker & Loud Buzzer】 Our Loud alarm clock has 3 wake-up modes: loud buzzer, super vibrator or sound and vibrator, which can make it easier for you to wake up from deep sleep. Press the "BUZZ/VIB" button to select your favorite wake-up mode the maximum effect. With the OnLyee loud alarm clock for heavy sleepers never be late to the office again or miss another appointment!.
【Dual Alarm Clock & Snooze Function】 Vibrating alarm clock can be set with two independent wake-up alarms, and you and your partner can be awakened by a ringing bell or a loud buzzer at the required time. The alarm will last for 60 minutes, ensuring you absolutely wake up, of course, you can easily turn it off when you wake up. When the alarm goes off, tap the big snooze button to temporarily turn it off and get an additional 9 minutes of sleep before reminding you again..
【7.5” Large LED Display & 5 Level Dimmer】 The alarm clock for heavy sleepers has a large 7.5-inch LED digital display, which is easy to read for people with poor eyesight. With 5 levels of adjustable screen brightness. You can adjust the brightness at will to meet the different needs of day or night, this digital alarm clock will not disturb your sleep at night..

【Wake by Super Bed Shaker & Loud Buzzer】 Our alarm clock for heavy sleepers has 3 wake-up modes: loud buzzer, super vibrator or sound and vibrator, which can make it easier for you to wake up from deep sleep. Press the "BUZZ/VIB" button to select your favorite wake-up mode for the maximum effect. With the OnLyee loud alarm clock for heavy sleepers adults never be late to the office again or miss another appointment!.
【Dual Alarm Clock & Snooze Function】 Vibrating alarm clock can be set with two independent wake-up alarms, and you and your partner can be awakened by a ringing bell or a loud buzzer at the required time. The alarm will last for 60 minutes, ensuring you absolutely wake up, of course, you can easily turn it off when you wake up. When the alarm goes off, tap the big snooze button to temporarily turn it off and get an additional 9 minutes of sleep before reminding you again..
【7.5” Large LED Display & 5 Level Dimmer】 The loud alarm clock for heavy sleepers has a large 7.5-inch LED digital display, which is easy to read for people with poor eyesight. With 5 levels of adjustable screen brightness. You can adjust the brightness at will to meet the different needs of day or night, this digital alarm clock will not disturb your sleep....