Feature:1. Mini Smart Remote Alarm: The power failure SMS call alarm is a one way GSM SMS alarm, can be powered by an external rechargeable battery for power failure alerts.2. Reliable Power Supply: The power outage SMS call alarm has a DC 6 to 15V power input, an alarm voltage output, power outage alarm, can be used for various sensors.3. Customized SMS Alerts: When a short circuit is detected between the input port and ground, this remote power failure security alarm will send alarm SMS messages to pre set mobile phones or call designated alarm numbers. Users can customize the content of the alarm message and send it to up to 6 preset mobile phones for notification.4. Easy Installation: The GSM design box is extremely intelligent and slim, allowing for easy installation onto other target system boards, adding power failure alert SMS Call alarm functionality without hassle.5. Versatile Application: This power outage failure alarm can be widely used for connecting various sensors, such as door magnet switches, infrared sensors, gas detectors, water level sensors, and temperature measurement devices, offering a versatile solution for different monitoring needs.Specification:Item Type: Remote Power Failure SMS Call AlarmMaterial: ABS PlasticColor: BlackInput Voltage: DC5-15V.Package List:1 x Remote Power Failure SMS Call Alarm1 x Antenna1 x Sound Alarm1 x English Instruction Manual