This Stop Dogs From Barking Device | B510 comes with:
CE MSDS certification
1 Year Warranty
Working Mode: Sound + vibration + shock
Adjustable level : 1-7,0-7
Need To Know:
Please charge before using the product!
When the 5V charging is inserted, the LED red light flashes, the full
red light is long, and the built-in 3.7V rechargeable lithium battery
400MA is usually fully charged in 2-3 hours. The charging can be
used repeatedly for about 500 times.