Elbro SMS-BUTLER-MOBIL S1-V4S1 Set 1x Master, 2x Slave

SMS socket, SMS plug, remote switching module, remote control, remote switching. The SMS Butler M1 V4 (Master) communicates via a radio module with the SMS Butler S1 V4 (Slave). Control of electrical devices is done through SMS or phone calls. SMS notifications are sent in case of power failure and restoration. LED indicators inform about relay status and signal condition. A calendar function with daily and weekly schedules allows for delayed switching. The set includes 1x SMSB-M1-V4 and 2x SMSB-S1-V4.

On the SMS Butler, one master user and four family member users can be set up. All have the permission to send switching commands and check the status. The master can also make configuration adjustments. In case of a weak GSM signal, the socket sends an SMS notification. This function must first be activated by the master. Control is done via a password-protected SMS. By default, only the master and the four family members have the permission to turn the device on and off. For additional, unregistered users, the password switching function can be used.