4 effective and harmless modes: sound, light, vibration (adjustable in 99 levels) and static shock mode (adjustable in 99 levels). The training modes can be adapted to dogs according to their weight and character. Put an end to your dog’s bad behavior with this collar. 400m range and long battery life: With a range of up to 400m in an open area, This collar will help you easily train your dog indoors and outdoors. The battery gives you up to 20 days of use on a 2 hour charge. Built-in LED light suitable for dogs of all sizes: A built-in LED light is handy for finding your dog in a dark environment . This durable and adjustable TPU collar (16 - 62cm) to fit dogs of different sizes. Email if you need more collars 100% water resistant and can control up to FOR 3 DOGS AT THE SAME TIME: This collar is IPX67 water resistant certified, making it ideal for dogs that like to have fun in the water. The remote has 3 channels, syncing with 3 different collars, which helps you train up to 3 dogs
