We stock spare receivers for all of our bark collar products, so if you lose one you don't have to go buying a whole set again! The receiver will come with a new collar (strap part) as well. For direction on how to pair your new receiver with your existing remote, please refer to your instruction booklet. Here are the SKU's of the receivers to help you find the right one.G1-PT-T720-R - for the 2 in 1 Bark and Remote TrainerG1-PT-T720-R-V - for the 2 in 1 Bark and Remote Trainer VIBRATE ONLYG1-PT-T430N-R - for 2020 Remote Trainer G1-PT-T510-R - for the Pet Tech PT510 Citronella Remote Collar G1-PT-T700-R - for the IPX7 Waterproof Remote Trainer G1-PT-X1500-R - for the X1500 Professional Remote TrainerG1-PT-TP16-R - for the Hidden Wire Containment System G1-PT-TZ862-R - for the Premium PTZ-862 Containment Fence G1-PT-PT200-R - for the PT200 Premium Waterproof Remote Trainer G1-PT-PTC22-R - for the PTC-22 Remote Training CollarG1-PT-F900-R - for the Pet Tech F900 Radar Boundary Fence