500 YARD RANGE: e-collar (SD-425X) with additional Add-A-Dog collar (SDF-AXF) to train 2 dogs with 1 remote
NO LOOK OPERATION: Detailed operating guide explains how to easily pair both collars to remote
TONE, VIBRATE, AND STIM: While in a multi-dog mode, train with 7 levels of static stimulation (in low or medium ranges) and your choice of vibration (buzz) or tone (beep)
WATERPROOF: Waterproof and submersible to 25 feet using DryTek technology
RECHARGEABLE BATTERY: Lithium ion, rechargeable batteries feature a 2 hour quick charge, and a low battery indicator lets you know when to charge
