Compatible Charger Cord Compatible with PetSafe Remote Trainer and Lite Remote Trainer 100, 300, 600 and 900 Yard Models. Drop-resistant and Durable The hard shell and high-quality wires prevent scratches, abrasions, collisions and drops. Insert Molding Power your equipment efficiently and stably. Safe and Compatible This charger has built in surge protection, over-current, over voltage, short circuit over temperature protected program.