SPORTDOG BRAND SportTrainer 450 Remote Dog Trainer - 3.6 kg, Camo

Palm of the hand-sized model is designed for field training and hunting with close-working dogs - Both the remote transmitter and the collar receiver have waterproof/submersible technology
The remote training collar offers up to 7 levels of continuous and momentary static stimulation
Vibration and tone-only stimulation options are instantly available in every mode of operation. - Can easily be expanded to control up to 3 dogs with extra collar receivers, without losing the vibration and tone stimulation options for each dog
Low battery indication and a 2 hour recharge time
450 metre range