Due allarmi per porte e finestre, allarmi con sensori domestici, tempo di standby ultra lungo

Extra-long standby time up to one year: No need for frequent battery replacements; low power consumption design ensures continuous protection. 130-minute vibration alarm: Immediately emits a powerful sound wave to effectively deter intruders and alert nearby people, thereby enhancing security.

Quick installation, no tools required: Simply peel off the adhesive backing to stick; suitable for various surfaces such as glass windows and door frames; can be installed in rental/hotel and other locations without drilling.

Product Description:
This door and window sensor alarm is designed for private residences, hotels, shops, and other locations. It is equipped with a high-sensitivity vibration sensor that can accurately detect abnormal opening and closing of doors and windows as well as impacts. The noise level is equivalent to that of an airplane taking off and landing. This not only effectively deters criminals but also quickly attracts the attention of nearby people. Product Specifications: Weight: 23 grams; Material: ABS; Battery: LR44 x 3 (not included); Color: Silver