2-MINUTE PLUG-AND-PLAY INSTALLATION - No wiring required. Simply plug receivers into standard outlets and mount the transmitter with included adhesive tape or screws. Pre-paired 2-buttons and 3-receivers kit works out of the box with no programming needed
SMART MEMORY FUNCTION & EXPANDABLE SYSTEM - Remembers last set melody and volume even after power outages. Expandable design allows adding more SURFOU receivers or buttons to cover every entry point