• 【130dB Loud Alarm】Built-in high-sensitivity sensor triggers a piercing 130dB alarm instantly to deter intruders and alert nearby people.
• 【Dual Mode System】Supports door-open and vibration detection modes with 5-level adjustable sensitivity to prevent false alarms and missed detections.
• 【Portable Hook Design】S-shaped hook structure requires no drilling or adhesive, simply hang on door handles or luggage zippers for instant use in hotels, rentals, and travel.
• 【Audio-Visual Alert】Features blue LED strobe light alongside the loud buzzer for enhanced nighttime security and deterrence.
• 【Long Battery Life】Operates over 1 year on just 2 AAA batteries with a low battery indicator for reliable uninterrupted protection.

Specifications:

• Main Body Size: 8.5 x 3.23 x 2.4cm
• Material: ABS + PC
• Alarm Volume: 130 dB
• Battery for Alarm: 2 x AAA Battery (included)
• Battery for Remote Control: 1 x Button Battery (included)
• Standby Time: > 1 Year
• Rated Voltage: DC-3V
• Sensitivity Levels: 5-Level Adjustable
• Alarm Mode: Sound and Light
• Installation: Hanging