" Bullet Point 2 Dog Shock Training Collar w/Remote Waterproof Rechargeable 1000 Yard Hunting For Medium and Large Dogs (50lb-180lb) For 2 Dogs Technical Details: 1000 metres Valid Range (approx. 1093.6yd) Adjustable Collar Length: Max. 24inch Min.19inch Waterproof and rechargeable,no battery in need. Static Shock,Vibration,Beep-3 Training Modes 4 Levels of Static Shock/Vibration correction Both remote and collar go on sleep mode after about 3 minutes LED Signal,Beep Signal LED light can be used as a training signal You can check the battery by viewing the indicator on the remote or by viewing the LED on the collar Adjustable collar length is Max up to 52cm/21inch Fit Pet Dogs above 20 pounds Professional Pet Brand-Quality Guarantee Safe Design for your Pet Easily visible LCD screen displays level of stimulation. Notes:(Important) Please fully charge the Collar-Receiver and Remote-Transmitter before using the product! Please refer the USER manual first! For Collar Receiver,When charging is completed,put back the rubber cover to keep charging hold clean from water and dust! Package includes: 2 x Dog Collars 1 x Remote 1 x Charge &Cord 1 x Instructions 2 x LED test lights "