The checkered grips on the handheld transmitter allow you to always have a firm grip of the training at hand. The ARC is a low to medium output e-collar designed for all breeds with medium to soft temperaments. Features LCD screen displays exact level of stimulation, and a 3 bar battery life icon. Fully waterproof transmitter and receiver/collar. Low to medium power stimulation. 3/4-mile range. Rechargeable 2-hour rapid charge Lithium Polymer battery. Receiver weight 5.6oz. Collar strap is 3/4 x 28. Receiver dimensions 3.5 x 1.7 x 0.89. System includes one transmitter, one receiver collar, one battery charger, one splitter cable, a test light, an owner's manual and a metal belt clip and 2 screws. Features n Slim design receiver/collar ergonomically shaped to your dog €™s neckn €™ and €™ stimulation along with a non-stimulating pager/vibrationn Checkered grips on the handheld transmitter for a positive feeln Rheostat/volume dial with up to 127 levels for a gradual adjustment in stimulation intensityn User expandable to a two-dog system