1 The collar is a combination of micro static discharge, vibration, whistle and LED light. 2. Works up to 300 meters range. 3. Easy to use, ergonomic transmitter (Length 8 cm, width 4cm) Up / Down button allows 0 to 100 levels of gradual adjustment in stimulation intensity. 4.You can remember the levels that will suit your dog, do not have to adjust the intensity levels again next time. 5.Digital remote control uses different identity codes to prevent conflicts with other e-collars. 6.Practical, ultra lightweight digital LCD remote signals to your dog to listen to your commands. 7.Safe, humane, robust and highly efficient for the education of your pet. (puppy or large, stubborn dog).

• 100 levels of vibration.100 levels of static. 300 Yard Rechargeable.

100 levels of vibration.100 levels of static. 300 Yard Rechargeable.eight24hours