range<br>● Both remote and collar are built-in 1 x 3.7V 550mAh lithium battery, 3 hours charging time and 1 - 2 weeks service time ( Associated with using time and frequency )<br>● Rheostat dial allows for gradual adjustment in stimulation intensity<br>● Big LCD digital display for instruction<br>● Featured power saving design with automatic standby and memory function<br>● It can train up <B>two dogs at the same time</B><br>● It is ideal for small or medium size dogs, the adjustment range of the training collar is 20 - 40cm and the width is 2.5cm<br><br><B><span style="font-size:14px;">Important Notes:</span></B><br>● Please fully charge the collar-receiver and remote-transmitter before using the product<br>● Please refer the user manual first<br>● For collar receiver, when charging is completed, put back the rubber cover to keep charging hold clean from water and dust<br>● The dog collar color will be random                 <strong>For:</strong> Dogs <br />             <strong>Type:</strong> Collars <br />             <strong>Functions:</strong> LED Lights <br />             <strong>Season:</strong> All seasons <br />             <strong>Color:</strong> Black                               <strong>Package weight:</strong> 0.491 kg <br />             <strong>Package size (L x W x H):</strong> 20.500 x 16.000 x 6.000 cm / 8.071 x 6.299 x 2.362 inches                               <strong>Package Contents:</strong> 2 x Receiver Collar, 1 x Transmitter, 2 x TPU Strap, 1 x Charger Adapter, 1 x Cable, 2 x Pack of Accessory, 1 x English Manual                                                     Product Safety Disclaimer: We do not accept any responsibility or liability for misuse of this or any other product.  All our products are extensively tested to comply with rigorous and strict QC standards.  For certain products (e.g. toys, knives, etc.), we recommend proper supervision as we cannot be held liable for misuse or accidents.