Was: 61.54
Price: 51.03
Features Can be operated from anywhere no distance limitation No call charges for inquiry The GSM Environment Alarm rejects the call from authorized number then return onsite temperature humidity and power voltage on the first ring Multiple applications Temperature humidity power status solar panel dc voltage Up to 10 authorized phone numbers 5 can be used to receive call or SMS and 5 can be used to call and SMS while alarm occurrence One TemperatureHumidity sensor input measures temperatures from 40 to 80C 0 5C accuracy Relative Humidity from 0 99RH accuracy is 3 External AC Power status monitoring AC On OFF will send SMS to authorized phone numbers Inbuilt MCU monitoring the DC input Voltage value measure range is 9 24VDC no need additional sensor to save cost Timer Report Can setup every x hours automatically send its status Value to the authorized numbers Support remotely read historic data via SMS Rechargeable Backup Battery inside can last 8hours Secure Using caller ID and password for identification unknown callers are ignored Programmable by SMS Commands or APPs with password protection Based on GSM Network applied to many applications Remote Reset via SMS Remote Reboot via SMS Automatic Reboot Periodicity Specification DC Power supply 9 24VDC recommend 12VDC1APower consumption 12V inputMax 50mA Average30mAFrequency range 2G 850 900 1800 1900MhzSIM Card Supporting 3V SIM CardGSM Antenna 50SMA Antenna interfaceTemperature
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