General description The Wireless Alarm System for front doors and windows is designed to enhance the security of your home or office. This system features a magnetic detector that alerts you when an entrance is opened, providing peace of mind for your property. Technical specifications Size: 6.2 cm x 3 cm x 2 cm Alarm sound: > 90 dB Control mode: Magnetron type Battery specifications: 3 x 1.5V AG13VLR44 button batteries (3 x button batteries included) Installation Can be pasted on any windows and doors, drawers, and other panels.