2 Channels and 3 Training Modes. Beep, vibration (level 1 to 8) and shock (level 1 to 16) Nylon Belt. The 7.8 to 24.8 inchs adjustable nylon belt is suitable for 15 to 100 lbs dog Remote Range. The wireless remote can reach up to 1000 ft (330 yards) range control Remote Control. Security lock to prevent accidental touch, safe to use Rainproof Receiver. The training collar receiver is IPX5 rainproof.(Not suitable for swimming)