You are looking at a Remote Electric Dog Training Collar.   Its a 4 functional [Instant Static Impulse + Static Impulse after Vibration (warning before static impulse) + 3 Level Whistle Signal + LED light] remote training collar.  It's is an electronic dog training system with a working range up to 600 feet.   This compact, easy to operate system will control bad behavior and dogs who run off when taken outdoors for excercise. 

Is your dog out of control?  Are you finding it difficult to train him/her using orthodox methods?  You are not alone.  Many dogs simply do not respond to traditional training methods which is why thousands of owners and professional trainers have used training collars to assist them in their training programs.  As we all know an out-of-control dog can be a danger to themselves and others.  Training collars can help you achieve a well trained and contented dog within days.

This collar is suitable for small and medium dogs.

Features

• The strong static impulse can penetrate the hair of the pet and fabric wihtin 6mm thick.  It is unneccessary to let the discharging point touch the skin of the pet.  Therefore it is safe for the pet.
• The static impulse can quickly and effectively curb the improper deeds of the pet.
• the warning vibration will let the pet associate the vibration with the static impulse.  In the end, vibration will achieve the same effect as the static impulse.
• Both the static impulse and warning functions are set with automatic stop.   This is for not reprimanding the pet continuously.
• With the vibration induction power switch in the collar receiver, its power can be automatically turned on and turned off.
• Water Resistant Collar

Specification  - Collar

• Length: 43mm   Height: 68mm  Width:  38mm
• Weight 110g (module + battery)
• Collar length adjustable from 8 inches to 20 inches
  
• Power:2* 1.5V AAA battery (included)
• Water Resistant and shockproof

Specification  -  Handset

• Length: 120mm  Height:  25mm  Width:  45mm
• Weight:  110g (with battery)
• Power: 2*1.5V AAA battery (included)
• LED signal light and illumination at night
• The sound function for attracting attenion
• Water Resistant