Greencycle Window Alarm Sensors,Sliding Door Alarms when Opened,Alarm Door Left Open,Door Alarm Delay,110dB Loud Alarm,Easy Installation,4 Alarm Modes,Suitable for Fridge, Dormitory,Home,Shop,9PK

<b>GREENCYCLE Magnetic Sensor Door Chime for Business Home Office Store when entering</b><br><br> It's an entrance alarm that alerts you when someone, or something, enters or exits through a monitored zone.<br><br> <b> Product Features:</b><br> Easy to Install and Use<br> 48 Chimes for Your Choice<br> 5 Volume Levels from 0-97dB (included silent mode)<br> Receiver with Nightlight Function<br> 7 Adjustable Lightness for Nightlight Function (included off mode)<br> Up to 600ft Wireless Range in Open Space<br> Low Power Consumption of Receiver<br> Low Battery Indication of Sensor<br> DIY Pairing, can expand more receivers/magnet sensors/push buttons<br> Smart Memory Function, no need to configure door chime settings (Chimes, Volume, Lightness) again if unplugged<br> Music Rhythm Flashlight on Receiver (bright light flash when the two part of sensor is separated, no matter it is with volume up or in silent mode/ nightlight mode)<br><br> <b> Specifications:</b><br> Working Frequency: 433.92MHz<br> Receiver Working Voltage: 80v-275v AC<br> Receiver Standby power consumption: 100mW (about 0.8KW.H per year)<br> Magnetic Sensor Battery: AAA battery<br> Battery Life: up to 2 years lifespan<br> Working Environment Temperature: Receiver: -20~70℃, Magnetic Sensor: -10~60℃<br> Working Environment Humidity: Receiver: &lt;90%, Magnetic Sensor: &lt;90%

• 【Four-in-One Multifunctional Design】This door alarm combines four essential functions—alarm, continuous alarm, doorbell, and door-closing reminder—offering comprehensive security for your home or office. Whether it's deterring potential theft, reminding family members to close the door, or functioning as a daily doorbell, it caters to various needs, ensuring no detail is overlooked.
• 【Three Adjustable Modes】The door alarm refrigerator offers three customizable modes to suit your needs: continuous alarm mode, door closing reminder mode, and doorbell mode. The continuous alarm mode detects when a door or window is opened and sounds an alarm for 10 seconds. The door closing reminder mode activates when a door transitions from closed to open, sounding three prompt tones as a reminder. The doorbell mode detects when a door or window opens and emits a single prompt tone. These modes provide flexibility and convenience for various situations.
• 【Low Battery Warning Function】This fridge alarm features a built-in low-battery reminder. When the device’s battery is running low, it will automatically emit a warning sound to notify you to replace or recharge the battery promptly. This function helps prevent security risks caused by battery depletion, ensuring the alarm remains in optimal working condition and provides 24/7 protection for your safety.
• 【110dB Super Loud Alarm】Equipped with an ultra-loud 110dB alarm, this device effectively deters intruders and grabs the attention of those nearby, significantly enhancing the security of your home or office. The alarm is loud enough to be heard clearly, even at night or in quiet environments, ensuring timely alerts when needed.
• 【Easy Installation】Featuring an adhesive installation design, this door alarm requires no complex tools or wiring. Simply use the included double-sided adhesive tape to secure it in place. Ideal for various indoor environments, it can be easily installed on doors, windows, freezers, filing cabinets, and more.