DR100 Security Alarm Remote Control Magnetic Sensor 130dB Home Anti-Theft System Wireless Protection Device ¡¾High-Decibel Alarm¡¿Emits a powerful 130dB alarm sound for effective intrusion deterrence and home security ¡¾Magnetic Sensor Technology¡¿Utilizes advanced magnetic sensors to detect unauthorized door or window openings ¡¾Remote Control Operation¡¿Includes a convenient remote control for easy arming and disarming from a distance of up to 35 meters ¡¾4 Alarm Modes¡¿The product has 4 alarm modes,using floating graphical function reminders,which can be switched with one click through the remote control ¡¾Easy Installation¡¿Features a simple installation process using double-sided adhesive,requiring no complex tools or wiring ¡¾Versatile Application¡¿It is widely used in doors,windows,safes,refrigerators,and other locations that require anti-theft alarms or alarm reminders Specifications: Transmission Frequency: 433.92MHz Material: ABS plastic Main Unit Dimensions: 90 x 42 x 15.5 mm Magnetic Strip Dimensions: 45.2 x 13 x 12 mm Remote Control Dimensions: 66.5 x 34 x 11.5 mm Power Supply: Main Unit - 2 x AAA batteries (not included),Remote Control - 1 x CR2032 battery Magnetic Sensor Range: 30-40 mm Remote Control Range: Up to 35 meters Alarm Duration: ¡Ý5 hours Alarm Volume: ¡Ý130 dB Package included: 1 x Alarm Host 1 x Magnetic Strip 1 x Remote Control 1 x English and Chinese Manual 1 x Sticker