4 Relay of GSM Controller SMS Call Remote Control Switch

Features 1 With password protection2 Can set up 5 groups of control master numbers3 SMS control ON Off COM T L XT Check command 4 Free Call to controlUser can control the GSM controller by dial the SIM card number of GSM controller The user may hear You cant answer the phone call beep beep tone etc which meanchanging changing the relay state sucessfully If the controller connected it will change to be disconnected state after a call If the original state is off it will change to be connected state after a call 5 Button ControlThe controller state will be changed when you press the SW button at side of controller If the controller connected it will change to be disconnected state If the original state is off it will change to be connected state 6 User can send sms to check the on off stateSMS text SN Password CHECK7 With Power off memory Function8 sms call remote control household electrical appliances high power AC motor Generator remote base station PBX switchboard water pump router server etc Specification Brand Name KONLENSize 15 5cm 5 5cm 3 2cmModel Number KL CL4Power DC9 to 12VCommunication Interface WirelessInstallation Wiring ConnectionItem Type Wireless Remote Control SwitchRelay Switches 4Case Material Aluminum AlloyOutput Voltage AC 10A 220V 15A 125V 30V of each relayOutput Power 2000W Max of each relay Inductive load halved Output Current Less than 10A of each relayInput voltage DC12VGSM Fr