CWT5005 GSM I/O Module

CWT5005 GSM I/O Module with 2 digital inputs and 2 digital outputs Support 3g version (Skype: glare.wang) Features Configurable for alarm and recover sms Automatically report the status of itself on schedule Support remote setting via sms commands Preset 10 phone numbers(can be distributed authority) Remote add/edit/delete phone group Automatically update internal clock via sms Time stamped in alarm or recover messages Support ring call when alarm Temperature sensor