Product name :
sms controller
Usage :
SMS AC power monitoring alarm GSM power Failure alarm
DC Power supply :
12-24V DC (Standard adapter: DC 12V/1.5A)
Frequency range :
Quad-frequency 900/1800/850/1900HMz
Temperature range :
-30°C ~ +70 °C
Digital Input :
2 digital inputs(Dry contact)
output :
2 drivable relay outputs(open-collector outputs)