The dog training collar offers 3 training modes, including beep, vibration, and shock, with adjustable intensity levels for vibration and shock modes. It supports training for 2 dogs simultaneously with its 2 channels. The receiver has 2 lighting modes (Steady on/Flashing) with red, white, and green lights, ensuring your dog's safety during nighttime activities. This collar provides a range of 2624ft for both indoor and outdoor use, making it useful for various training situations. The adjustable collar fits dogs with a neck circumference of 3.9-27.6in, suitable for dogs weighing between 10-150lbs. The waterproof receiver (IP67) works well even when your dog swims or is in the rain, as long as the charging port is sealed properly. It is USB rechargeable, with a 300mAh battery, offering long standby times (15 days for the receiver and 30 days for the remote control) after a quick 2-hour charge. The remote control also includes a lock button to save settings and prevent accidental touches.