Our anti barking device can emits 25 KHz ultrasound, which attracts your dog\'s attention without hurting it like a dog whistle, safe to correct unwanted behavior and stop dog barking or prevent eating unsafe food, effective pet corrector for dogs of all types and sizes. An extra bright LED flashlight can protect against the vicious dog when you are outdoor at night. Bright LED flashlight can be as an ordinary flashlight at night. Compact body and extra strap make it easy to be carried outside to anywhere. Efficient Bark Control: Emit an ultrasound of 25 KHz, which exceeds the range of human hearing but attracts your dog\'s attention without hurting your dog like a dog whistle, safe to correct unwanted behavior and stop dog barking or prevent eating unsafe food, effective pet corrector for dogs of all types and sizes. 4 Effective Modes: Features 3 ultrasonic frequency modes and 1 beep mode, which helps you train your dog effectively. An extra bright LED flashlight can protect against the vicious dog when you are outdoor at night. Also can be an ordinary flashlight at night. Ease To Use: Come with 1 power button, 1 beep mode button and 1 right-sided button to switch 3 ultrasonic frequency modes. Just simply press or push the button and choose your favorite mode. Portable Dog Repeller: With the suitable size of 4.7 x1.8 x 1.4in and come with a wrist strap, our dog repeller can be put into your pocket easily and carried to anywhere you want, such as walking, jogging, picnic, cycling and so on. USB Chargeable: Fully charged for around 5 hours, keep standby for around 15 days. Can be charged by adapter, laptop, power bank, etc.. Friendly Reminder: Please do not use the device in rainy days or immerse it in water. Brand: Fresh Fab Finds Product Type: Handheld Anti-barking Device Color: Grey Material: ABS Inbuilt Battery: 800mAh Battery(Battery is not for individual sale) Input: DC5V/1A Charging Time: Around 3-5Hrs Runtime: Around 5-7Hrs(Constant Use); Around 15 Days(Normal Use) Frequency: 25KHz 4 Modes: Constant Frequency Mode, Variable Frequency Mode, Hopping Frequency Mode, Beep Mode Constant Frequency Mode: Push the right-sided switch to the upper gear Variable Frequency Mode: Push the right-sided switch to the medium gear Hopping Frequency Mode: Push the right-sided switch to the lower gear Applicable Distance: 5m-7m/16.4ft-23ft Charging Cable Length: 51.5cm/20.3in Item Size: 12 x 4.5 x 3.5cm/4.7 x1.8 x 1.4in Item Weight: 86g/0.2lbs Package Size: 14.5*9*5.5cm/5.71*3.54*2.17in Package Weight: 147g/0.32lbs 1 x Handheld Anti-barking Device 1 x Charging Cable 1 x Strap 1 x User Manual