Aetertek&reg; 2015 Updated Dog Collar 100% Waterproof & Rechargeable Shock Control Pet Dog Training Collar 1095 Yards Remote Range Dog Bark Collar with LCD Screen Updated version of AT-919 dog trainer, with advanced appearance and performance Professional training collar with Rechargeable and 100% waterproof receiver With adjustable TPU strap length from 6-25"/15cm-65cm, suitable for all dog size from 15-150lbs, especially for medium or large hunting dogs CE,ROHS,FCC Approved with 6 months quality warranty