Meet 1900X Handsfree Remote Training System. Versatile Performance packed with a Handsfree Square lets you train without touching the remote. Pair up to 14 squares to any function - tone, light, stimulation, and  each  paired dog. Built for large dogs 35+ pounds with protective casing. 3/4-mile range, XPP vibration, LED visibility. IPX9K waterproof. Training, reimagined.