This indoor motion sensor alarm is designed to provide reliable and instant security for your home or workspace. Using advanced infrared PIR detection technology, it can accurately sense movement within a range of up to 8 metres, helping you monitor entry points and indoor areas with ease. When motion is detected, the built-in 125 dB siren is triggered, delivering a loud and effective alert to deter intruders and notify you immediately. The wireless design makes it easy to install without complicated wiring, making it ideal for DIY home security setups.