Dogtra 200iQ 2-Dog Unit GPS Collar - Meet your everyday training partner. The 200iQ 2-dog e-collar makes dog training simple and stress-free. Easy-to-hold and control remote with 100 levels, tone, and vibration creates clear communication with your dog. Remove contacts for vibration-only training. Waterproof design handles daily walks to weekend adventures. Compact and lightweight versatile for small, medium and large breed dogs. 100 Medium Output Levels For Dogs 10 lbs+ Nick, Continuous & XPP Vibration 1/2 Mile Range One Handed Control Front Facing Dial IPX9K Waterproof Compact Collar Light Weight Design 2-Dog Expandable Audible Tone LED E-Collar Flashing Light Swappable Remote Casing Remote Transmitter 2-E-Collar Receivers 2-E-Collar Straps 3/4in W X 28in L 2-5/8in Male Medical Grade Contact Points (Installed) 1-USB-C Charging Cable 1-Charging Block 1-Lanyard 2-Contact Covers 1-Quick Start Guide Specifications Receivers' Weight: 2.4 oz Receivers' Dimensions: 2in x1.5in x 1.2in Transmitter Weight: 3.7 oz Transmitter Dimensions: 2.1 x 5.15 x 1.07 E-Collar Strap: 3/4in W X 28in L Minimum dog weight: 10lbs Disclaimer: Do not attach a leash to e-collar strap 200iQ is NOT compatible with HANDSFREE SQUARES