TECKNET Door Alarms for Kids Safety, Window Alarm Pool Alarms Door Alarm for Home Security, 2-in-1 Alarm & Chime, 3-Level Volume Control, Wireless Alarm for House Hotel Cars Sheds Caravans (3 Pack)

【Quick Alarm】When the distance between the alarm and the magnetic sensor exceeds 0.78 inches, the door alarm will sound an alarm and the LED light will come on, TECKNET alarm system for home security can quickly alert you to any abnormality of the door and window.
【3-Level Volume Keep an eye on】Door alarms for kids safety will also be used as a pool door alarm, garage door alarm or sliding door alarm. The window alarm sensors with 3 levels of volume Keep an eye on are the easiest solution for apartments, mobile homes, offices, hotels, garages and more.
【Easy to Install】Just tear off the attached sticker, you’ll install the alarm sensor on quite a lot of parts of the house, such as doors, windows, cabinets, drawers, gates and more! (Note: Keep the installation area clean and make certain that the sensor is installed within 0.5 inches from the arrow side of the alarm)
【Mini & Portable】This door and window alarm is designed to be light and mini, and may also be put into any backpack when you go out. If you live alone in a hotel, door alarms when opened, it’s going to be your best security partner. (Note:If the alarm is not working, check if it’s in OFF mode or if the batteries need replacing)
【36-Month Warranty】If you encounter any problems in the use of the product, please feel free to contact our professional customer service team, enjoying TECKNET 36-Month Warranty (Registered Only)