Don't let its size fool you. The DT Micro-iDT Plus represents the latest technological advancement in the dog training world. The transmitters are small enough to fit in the palm of your hand, while the training collar itself fits dogs large or small. Offering Maxx-Range™, the industry's only internal FM radio frequency antenna woven into the collar, the Micro-iDT boasts a 900-yard range, which is perfect for field or household use. Features 16 levels of nick or continuous stimulation, with a simple click dial. This dog training collar is waterproof and rechargeable. Weatherproof transmitter uses a 9-volt battery and has a no-slip rubber coating. Weighs 1.8 oz. Imported.