1-Channel GSM SMS Alarm, Power Failure Alert, Customizable Alarm Message, Smart & Slim Design, Wide Sensor Compatibility with Door Magnetic Switch, Gas Detector, Water Level Sensor
$36.25
Description
1-Channel GSM SMS alarm, external rechargeable battery (not included) for power failure alarm..Smart and slim gsm design box for easy installation on other target system boards, adding gsm alarms..Can be widely used to connect different sensors. Such as door magnetic switch, infrared sensor, GAS detector, water level sensor, temperature measuring device..The input of GA01P is the switch signal. When the input port is shorted to the ground (GND), GA01P will send an alarm message to the preset mobile phone, or call the set alarm number..Send SMS alert messages to up to 6 preset mobile phones when any alert input is triggered.
