Zacro 330 yards rechargeable Remote Dog Training Collar, for 15 to 100 lbs Breed Vibration and Shock E-Collar We have updated a the version with improved microchip, which would provide better experience for you; Rechargeable and Power Saving; Built-in high capacity lithium rechargeable batteries (500mAh for transmitter and 240mAh for receiver) 4 modes to choose to train your dog: static shock, vibration, beep and light. 100 levels of static shock and vibration stimulation We recently launched a new version whose color is bright orange;The collar is made in high quality TPU materials; Fits all dogs; From 15 to 100 lbs with an adjustable TPU collar size from 7 to 27 inches long Convenience of operation, easy-to-read LCD screen shows the stimulation ;Backlight LCD screen for easy low light condition viewing Easy to operate; Provide with 1 detailed User Manual and 1 customer quick-use-guide