Esky 300M Range Rechargeable LCD Remote Shock Control Pet Dog Training Collar with 100 Level of Vibration 100 Level of Static Shock Tone For 15-120lb Dog RECHARGEABLE:Both collar and remote are rechargable. No extra batteries is needed. HIGH-QUALITY AND COMFORT: The remote is made of water resistant, durable material for a more comfortable fit and feel. It contains top quality internal components and a regulator chip in the collar to ensure optimal functionality. ADJUSTABLE: Vibration and shock can be adjusted 100 different levels, with one beep level. BRIGHT BACKLIT BUTTONS & SCREEN: Only takes a second to turn on the remote with a clear LCD display and backlit buttons for day and night visibility. RELIABLE AND FRIENDLY CUSTOMER SERVICE ready to respond within a 24 hour time frame. 30-Day Money Back Guarantee, 12 Month Replacement Warranty and Lifetime Support Guarantee.