800m Range - The remote training collar offers a range of up to 800m using the RF434Mhz frequency, making it easy to train your dog in the park or yard. 100% WATERPROOF RECEIVER - Works well even when submerged in water, allowing your dog to swim or bathe freely with the collar. The rechargeable remote and receiver can be charged at the same time, keeping your equipment ready to use. The dog training collar has 0-99 shock, vibration, light, and sound stimulation settings. Suitable for all dogs. Durable, adjustable TPU collar (16-62 cm) for small and medium dogs. The remote and collar receivers use lithium-ion batteries for extended battery life. Plus, the automatic power-saving mode extends battery life when not in use. 4 Training Modes: Beep 0-99 Vibration Level 0-99 Shock Rating LED Flashlight Built-in LED Light & USB Charging The LED light is designed to help you find your dog in the dark or when you are out at night.