Dog barking training(WT709)

Dog barking training 1)In quick response,the pet paging lets your dog be always with you. 2)Ideal for call or training pets. 3)Uses vibration instead of static stimulation 4)2 levels of vibrations and whistle 5)200 meters range 6)Receiver uses 2pcs AAA 1.5-volt battery 7)Water Resistant Specification - Collar Length: 43mm Height: 68mm Width: 38mm. Weight 110 g (module + battery) Collar length adjustable from 20 to 50cm Power:2x1.5V AAA battery (supplied) Water resistant and shockproof. Specification Handset Length:120mm Height:25mm Width:45mm. Weight:110g (with battery) Power: 2x1.5V AAA battery (supplied)