<b>Why you choose this Dog Training Collar?</b><br> <b>4 Modes are optional: Vibration,Shock,Light and Sound</b><br> Rechargeable: rechargeable Remote and rechargeable Receiver<br> This dog shock collar with remote can fit above 20lb weight dogs and the length of the PU belt collar is 27.5IN(70CM).<br> Remote control range: Wireless control for up to 1000yd remote range in open spaces.<br> <b>100% Waterproof: </b>Whether it is raining or in the water, it does not affect training.<br> <b>Anti-lost LED night light: </b>Turning on the light at night you can find the dog faster.<br> Do you fear to hurt your dog in Shock Mode? <br> Adjustable Levels: Adjust the level of Vibration mode and Shock mode from 1-99. You can adjust the accurate level for your dog. Check your dog’s skin, don’t hurt it by shocking.<br><br> <b>Auto Power Save Function:</b><br> If no operations on the remote within 10 seconds, the back lit of screen will be off; <br>And no operations within 30 seconds, the remote being sleep mode, the screen display will be shut off. <br>The Remote and Receiver will go into standby mode if no operations within 5 minutes. Pressing any buttons can active the remote.<br><br> <b>Long-Lasting Battery Life: </b><br> This dog training collar built-in rapid charging lithium battery provides a long lasting Battery Life. Rechargeable remote and receiver can be charged at same time. Please charge the remote and the receiver for more than 5 hours at the first charging. <br>The indicator green LED light will be flashing during charging, after being fully charged it will stop flashing and always on.<br><br> <b>Note:</b><br> 1.Dog Training Collar is used for training your dog, please be patient to your dog.<br> 2.Shock setting only recommended in emergency situations and is not advised as a form of positive behavioral training.<br> 3.Please read the User Manual carefully before use!