◆ Thank you for viewing! We will handle initial defects if any. ◆ Shipping to Hokkaido, Okinawa, and remote islands requires separate postage. Please comment in the comment section if applicable. ◆ Product Description ◎ Please choose from white or black! ◎ This is the listing page for the color: White. ◎ This product is a set of four. This is a security alarm that attaches to windows, etc., to deter intruders with a loud sound! Installation is easy, just stick it on with double-sided tape! 【Security Sensor】 The sensitivity can be adjusted with the sensitivity sensor adjustment switch on the side. You can change the sensitivity to suit the environment! Effective as a countermeasure against malfunctions caused by natural sounds, vibrations, or truck noises! 【No Construction Required】 Installation is complete just by sticking it on doors and windows! No need to drill holes or do any construction work! Can be used in homes, apartments, stores, offices, warehouses, garages, etc.! * It may not react if installed on parts that do not vibrate, such as metal frames. Uses 3 LR44 button batteries for approximately 1 year! 【Intrusion Prohibited Stickers Included】 Includes intrusion prohibited stickers with 4 languages for multiple countries! Please stick them in a visible place, such as near the alarm. 【No Construction! Ultra-Thin and Lightweight】 Ultra-lightweight at 43g, easy to stick on doors and windows! The back has double-sided tape, so you can stick it on windows, etc., and use it immediately after activation! 【Deters with a Loud 125dB】 Detects abnormalities such as vibrations and sounds a powerful sound for 30 seconds, deterring intruders. 【Contents】 Main unit x 4, LR44 button batteries x 12, Intrusion prohibited stickers x 4 【Product Details】 ・Size: 71.9mm x 9.9mm ・Volume: 125dB *Equivalent to the sound of an airplane propeller engine ・Weight: 43g ・Material: ABS