100% compatible
                        ELKA SM4
                        compatible with
                        TEDSEN SM4MD
Reference : :

| Brand | ELKA | 
| Model | SM4 | 
| Frequency | 26.985 MHz
                        
                         | 
                
| Number of buttons | 4 | 
| Type of programming | 9 Switch | 
| Type of battery | 9V | 
| Battery and instructions included | Yes | 
| This remote replaces | ELKA SM4, TEDSEN SM4, BERNER SM4, ELKA SM4-old, BERNER SM4MD, ELKA SM4MD |