•【Versatile Security】Five working modes including doorbell, delayed alarm, open-door alarm with close-door stop, 30-second forced alarm, and door-closing reminder for comprehensive protection. •【Easy Installation】Double-sided adhesive installation with hidden buttons, allowing for quick setup without drilling holes. •【Tamper-Proof Design】Once triggered, the alarm cannot be easily deactivated by intruders, ensuring continuous protection. •【Adjustable Volume】Customizable sound levels to suit your environment and preferences. •【Battery Included】Comes with 2 AAA alkaline batteries pre-installed in the alarm unit for immediate use. Specifications: •Model: M001 •Product Weight: 0.065kg/unit (including batteries) •Alarm Unit Dimensions: 9 x 4 x 2 cm •Magnetic Strip Dimensions: 5 x 1.5 x 1.2 cm •Battery: 2 x AAA alkaline batteries (included) •Available Certifications: CE EMC, CE ROHS, FCC ID, MSDS •Working Modes: 5 (Doorbell, Delayed Alarm, Open-door Alarm with Close-door Stop, 30-second Forced Alarm, Door-closing Reminder) •Installation Method: Double-sided adhesive Package included: •1 x Door Alarm (with Battery) •1 x Remote Control •1 x Multi-Language Manual (English, French, Japanese, Italian, Spanish, German)