OxGord Rechargeable Waterproof LCD 100LV Shock Remote Training Collar, 330 yd THREE TRAINING MODES: Beep, Vibration, Static Shock. Remote Control Details: Frequency: 433.825MHZ, 3.7V 500ma lip, 3.7V 500ma lip OBEDIENCE: Quickly and safely train your pet to follow your instructions without the worry. WORKS WITH MOST SIZE DOGS: Fully adjustable collar for small or large dogs. Collar and remote are rechargable. Don't worry about replacing batteries! Plug it into the charger and you are set for your next training session. INCLUDES: 1 Collar, 1 Remote, 1 USB Cord, and 1 Wall Adapter/ Frequency: 433.825MHZ, 3.7V 500ma lip, 3.7V 500ma lip Made by Paws & Pals, an OxGord brand