Features ●Easy and convenient to test the functionality and sensitivity by blowing ●Indinite sensitivity adjustable by gear to suit for different dogs ●2 training modes beeper and static shock ●7 levels of sensitivity adjustment by and buttons to be suitable fordifferent dogs ●7 different combinations of beeper and static shock to train dogs effectively●The collar turns into 1 minute automatic protection mode after 7 timesconsecutive working ●Adjustable leather leash from 6 to 30 to suit for different dogs small medium and large Description Item Pet Training CollarMaterial PVCSize 7 8 3 4 3 8cmPackage Included 1 x Bark Stop Controller1 x Adjustable Strap2 Pairs of Test probe1 x Test light1 x 6V alkaline battery1 X English ManualPlease Note 1 Due to the light and screen difference the item s color may be slightly different from the pictures Please understand Make sure you don t mind before you bid 2 Please allow 1 5mm differences due to manual measurement