• Security alarm for doors and windows with a 120 dB siren, designed to protect the home and alert against intrusion attempts. • Suitable for multiple environments: homes, offices, hotels, apartments, garages, bedrooms, and recreational vehicles. • Wireless magnetic sensor that detects the opening of doors or windows, ideal for preventing children and babies from leaving without supervision. • Hearing distance of up to 230 meters, providing coverage in large spaces. • Especially useful in homes with a pool to enhance child safety. • Smart and compact design (6.4 x 4.25 x 1.7 cm), with alarm sound over 120 dB and three configuration modes (on/off/set). • Easy installation using adhesive tape, no tools or wiring required. • Can be placed on doors, windows, drawers, and other flat surfaces. • Each alarm operates with 3 LR44 button batteries (included), and 10 additional replacement batteries are supplied.