This is practically new. Only used once. We decided for our situation and age (Ha!) we needed an inground fence so this is up for sale. 

ET-300 - Mini Educator 1/2 Mile Remote Trainer ET-300 Water Proof bundle (without)  grooming  glove.

The collar is 20 inches and adjustable.

Outward Hound Dog Lifejacket size Large. Fits dogs with  Girth 28-32, with a weight between 55-85 pounds.

The Educator Dog Mini Remote Training Collar ET-300 is a 1/2 mile range trainer that is especially made for smaller hands or for situations where discreetness is important. Utilizing "Lock and Set" technology, lithium polymer rechargeable batteries, waterproof floating remote, and waterproof receiver, the remote provides a very clean stimulation without the normal head jerking motion often found in other training collars. Includes one waterproof miniature collar receiver, one waterproof miniature floating remote, one Biothane collar, two sets of contact points (5/8" and 3/4"), contact point removal tool, dual battery charger (120V/220V) with a 2-hour full charge, owner's manual with training tips, lanyard for the remote and color storage box. NOTE: Kindly refer the user manual before usage of the product. Remote Activated LED Collar Light

Collar Receiver: 2.0”X1.5X1.1”, 2.4 oz. Biothane Collar Strap: is 20 inches. (Ready to Cut to Size) Floating Remote: 2.64” Diameter, 1.29” Thick and 3.4 oz. Complete System in Box: 11”X6.9”X2.2”.

This E-collar system has up to a half a mile range and fully waterproof

Delivers a tapping sensation similar to vibration, but more intense, making it an effective addition to the stimulation

User-selectable stimulation levels from 1 to 100 with additional boost stimulus selectable from 1 to 60.

This ET-300 collar Includes two sets of contact points (5/8" and 3/4").Biothane collar strap  (Ready to cut to size)