The Numaxes Anti-Bark Collar IKI Pulse is an excellent choice if you´re trying to teach your dog to bark less. How does it work? As soon as your dog starts to bark the device will emit six successive sound signals. If your dog starts to bark again within the next 30 seconds the device will give out two seconds of continuous sound combined with vibration (long or short pulses depending on the chosen setting). Product features Suitable for all dogs Waterproof collar with rechargeable batteries Barking recognition through contact (vibration of vocal cords) Adjustable sensor sensitivity Adjustable electrostatic impulses Vibration function can be switched off so only sounds are emitted Battery performance approx. 30 days for normal use Battery display Collar weight 88 g 1 sound frequency 6 pulse frequencies Only at zooplus 3-year guarantee Made in France The set contains 1 collar for neck sizes 17 cm to 55 cm with short contacts 1 charger 1 test lamp 1 set with two long contacts 1 magnetic key 1 screw driver for adjustments Instruction leaflet