DT, Dependable and Tough, and the DT Master Retriever 1100 is no exception. Built with rugged durability in mind for those long days in the marsh or field, the DT Master Retriever 1100 is ready for any and all conditions. Features 100% Waterproof Collar & Transmitter, 1, 100 yard range, 16 levels of e-Stim, Vibration Assist mode, compact and lightweight design to handle anything you and your dog can dish out. Features: - 1100 Yard Range with compact antenna technology - MAXX-Range 360 Internal Collar Antenna System - Fully Waterproof Transmitter-Remote (uses 9v Battery) - 16 intensity levels of Gentle Touch Nick and Continuous e-Stim - Vibration Assist (No Shock Vibration training stimulus) - Built in Magnetic ON/OFF system - Compact, lightweight, 100% waterproof collar is fully rechargeable - Collar adjusts from 7” to 22” in ½” increments & weighs only 4. 7oz - Expandable to 2-dog or 3-dog system (with easy turn dial) - Add on collars available (Black, Camo, Orange or Green collar choice) Specifications: - Color: Black - Weight: 4. 7 oz.