dogtra 1902s 2-dogs remote training collar - 3/4 mile range, ipx9k waterproof, rechargeable, 127 training levels, vibration - includes petstek dog training clicker dogtra dogtra 1902s e-collar incorporates several features making it the most reliable e-collar designed for behavior modification of dogs. whether training detection or obedience, in rain or snow, this system has proven to be as durable as it is reliable. the remote dog trainer has a 3/4 mile range and is for all breeds with mild to most stubborn temperaments.<br> <br> features:<br> - lcd screen showing training levels and battery status<br> - slim design receiver, collar ergonomically shaped to your dog's neck<br> - rheostat/volume dial with precise levels 0-127<br> - three training modes: momentary, constant, and high power pager vibration only mode<br> - low to high power training levels for training even the most sensitive of dogs<br> - dog collar receiver and transmitter are fully waterproof<br> - 2-hour rapid charge batteries<br><br>package includes: <br>- dogtra 1902s two collar receivers<br>- dogtra 1902s one collar transmitter<br>- battery charger, splitter cable, test light<br>- gear bag<br>- owner’s manual<br>- petstek training clicker<br><br>to prevent the occurrence of skin irritations from pressure from the contact points the collar should never be worn for more than 2 hours per day at first and 10 hours maximum after 4 to 8 weeks. <br><br>important warnings<br>- dogtra 1902s e-collar is designed for dogs only<br>- do not leave the collar on your dog for more than 10 hours per day<br>- keep away from children at all times<br>- not recommended for dogs younger than 4 month old<br>- seek professional help if your dog becomes aggressive while using the remote trainer<br>- observe your dog’s reaction to the collar before leaving them alone<br>- dogtra recommends consulting your physician if you are going to use the e-collar and you have any type of medical devices.<br>