The store is for you! The main highlight of the product: The previous product upgrade avoids the cumbersome reset function and prevents interference triggering (filtering product collisions, siren, thunder and other external interference noises) 1. Function: electric shock + ultrasonic + sound warning + sensitivity adjustment + charging 2. All product functions are digital display gears 3. The product has 6 colors to choose from, local gold / noble silver / touch black / bright black / sapphire blue / natural orange (colors can be customized) 4. The product uses a USB charging socket and built-in microphone triggers 5. Electric shock, vibration 8-speed adjustment (0 ~ 7) to turn off this function, 7-speed sensitivity (1 ~ 7) is convenient for humanized customers. 7. The battery level is displayed in 7 digital levels. 8. The product can be recharged repeatedly. 9. The product uses a large-capacity lithium battery, which can reach 60 days of standby time. 10. The diameter of the dog