Sport PRO is packed with features. This model truly replaces the Tri-Tronics Sport G3 Series with many added benefits. NEW Features: Longer range, Vibration training option, Settable BarkLimiter and Remotely activated Beacon Lights. • Quick Turn Dial with positive clicks when changing settings • One hand 'no look' operation of 4.4 oz handheld that floats! • 4 training buttons for continuous and momentary stimulation, vibration and tone • Remote control of LED beacon lights on the dog device • LED status light on dog device and low battery indicators on both components • 3/4 mile range • Built in settable BarkLimiter with remote on/off • Rechargeable lithium-ion batteries hold a charge up to 60 hours, • Ability to train up to 3 dogs, select collar with a toggle switch(additional PT 10 Dog Device sold separately) • 10 intensity settings 30 day money back guarantee. Warranty Physical dimensionsHandheld: 2. Art Cam 2013 Dealers In Dallas Texas. 1” x 5.4” x 1.4” (5.4 x 13.6 x 3.5 cm); Dog Device: 3.1” x 1.7” x 1.7” (7.8 x 4.4 x 4.4 cm) WeightHandheld: 4.4 oz (125 g); Dog Device: 3.5 oz (98 g).