[s][/s] I have 6 Units of this system available for Sale (Tel: 08158402376). Find below the characteristics for the system:

GSM switching system output (WT-9003)
Product Overview
GSM switching system is a single output normally open and normally closed contacts of the relay system and widely used. It only requires a simple GSM switches provide a low-cost solution . 30ARated relay switch high currents , such as heating and lighting circuit board with an internal clock so you can set a different time zone.This oneGSMSwitching system has the flexibility to have a separate internal power board connections, so may or may not use this facility .Spare battery pack provides eight hours of continuous operation of the system , in the power or the power to send alerts in case of power failure recovery.
In addition , GSM switching system can be controlled by RF wireless control receiver and transmitter.When the call toGSMSwitching systems, the system will recognize whether this number is the authorized number , then reject the call without answering and activate the connection to the device. Therefore, when control is via a voice call is no call costs , cost control system only via SMS .The system is capable of loading 250 numbers in the white list as an authorized user and a single output relays can switch whenever the length of time for the GSM switch to set a pre-determined , the relay can be permanently turned on or off via SMS , without the default settings that affect when calling .
Features Features
• 1,By simply dialingWT-9003 GSM remote control number toRemote opening and closing of any electrical ,
• 2,Output relay switch1-12 seconds voice call activation
• 3,Relay Option : Temporary/ Permanent lock
• 4,Power and power recovery
• 5,Users can set the 250 calls
• 6,R.F. function (if available)
Product Features

•1 output relay
•Power board provides :AC80-240V,12V / 1.3A
•Standby battery life8 hours
•5A fuse against high current
•R.F. receiving 43HZ ( if available)
•-65 Waterproof box
Application
·Open the door

·Open the door / shutters
·Light switch
·Heating switch
·Start the pump
Product Image

You will be able to control remote appliances by calling the number of the equipment or sending sms to it.

Switching Heavy duty AC Loads by sending a text or calling the device.
programmable parameters with CD Supplied.

Internal battery backup.
Will automatically send texts to your phone on abnormal or change of state conditions (NEPA on; Nepa off etc.)

Control devices remotely.
Switch on your generator, heater, water pump etc. from any where in the world.
Get reports on attached sensors etc.
Programmable by computer (note Serial cable in above photographs)

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Automate and remotely control your equipment from anywhere in the world....