100% compatible
 
                        ALLTRONIK S429-4
 
                        compatible with
 
                        HR KIT LIBERTY
Reference : :

| Brand | ALLTRONIK | 
| Model | S429-4 | 
| Frequency | 433.92 MHz | 
| Number of buttons | 4 | 
| Type of programming | Programming with the receiver | 
| Type of battery | 9V | 
| Dimensions | 10 x 2 x 5 cm | 
| Battery and instructions included | Yes |