Latest Detection Safety Design: Our alarm system infrared detection range is about 16-26 feet (5-8 meters). With advanced infrared detection technology, you can monitor any movement within the detection detection area, which can scare away thieves very loudly, more effectively protect your shed, garage, van and other places, and provide a smarter, convenient and safer use experience.Easy to Use, Super Loud: Our alarm system has a 125dB loud alarm or ringtone, 2-level sound adjustable, and it is very simple to install the motion sensor alarm. You can fix it by the stickers or screws we provide. Of course, you can also use it by placing it on the table. The siren can more accurately and effectively distinguish interference signals from human motion signals, reducing false alarms!Dual Power Mode: The wireless mode is powered by the included 3 AA batteries, while the wired option uses a USB cable (not included) with a 5V charger (not included) to choose wireless or wired operation according to your needs. Provides flexibility in setting up the alarm system. Making it a versatile choice suitable for various environments.Remote Control Function: Use the included remote control to pair your alarm system and easily manage the motion sensor alarm. The alarm has two modes: doorbell mode/alarm mode. You can use the doorbell mode to welcome visitors/stop your children from walking up the stairs/prevent your pets from walking around the kitchen. You can also use the loud alarm mode to scare off thieves.Protect Your Home and Property: Motion detectors are essential in home security systems, suitable for driveways, windows, garages, car alarms, stairs, offices, stores. If you have any questions, please feel free to contact us and we will respond to you within 24 hours. Please note: The device does not support Wi-Fi.ABS