Chanfong Ultrasonic Handheld Dog Repeller Portable Dual Probe High Power Stop Barker(Black)

1. Applicable objects: 6 months - 8 years old dogs2. Battery capacity: 800mAh3. Voltage: 5V 1A4. Charging time: 4-5 hours; use time: 15-30 days5. Two modes: deterrent mode: LED lights flash and emit high intensity ultrasonic waves; filter mode: emit lower intensity ultrasonic waves to assist the dogs daily training6. Simple to use, press the button, the anti-barking device will slightly vibrate7. With LED light, easy to walk your dog at night8. Size: 120 x 53mmMain features:1. LED + burst flash expulsion2. Ultrasonic expulsion interference mode3. Dual probe dual transformer drive4. Press vibration + aperture feedback5. Low battery indicator light6. Rechargeable, long battery life7. Use range 10 meters