Features 1. The shell is made of high-quality ABS plastic with a matte finish for a premium look. 2. Components are processed using a 5M chip to ensure consistent quality and reduce risks associated with manual assembly. 3. Produces a 130dB loud alarm sound to help deter unauthorized entry. 4. Features optimized circuitry and low-power design for extended operation. Includes a strong magnetic sensor that maintains reliable performance. 5. Triggers a loud alarm when the sensor detects separation, alerting users and discouraging intrusion. Specification This is a programmable magnetic alarm with an indicator light. When the magnetic strip separates, the alarm sounds for 20 seconds. After 20 seconds, if the magnetic strip is reconnected, the alarm stops. If the strip remains separated, the alarm will repeat the cycle. In armed mode, any trigger event will activate the alarm for 20 seconds regardless of reconnection, until the power switch is turned off. Additional Features - High-quality ABS housing with a matte finish - 5M chip-processed components for improved reliability - Alarm output ≥120dB - Built-in indicator light shows alarm status and low battery - 10-second delay function allows time to exit the detection area - Alarm duration of 20 seconds balances effectiveness and power efficiency - Low battery warning: alarm emits a short tone and red light turns on when battery needs replacement Specifications - Housing Material: ABS - Color: White - Power Supply: DC 9V Battery (not included) - Alarm Volume: ≥120dB - Package Weight: Approximately 56g - Application: Suitable for sliding doors, courtyard gates, and windows Package List 1 x Magnetic Door Alarm 2 x Stickers