Mode Setting Short press the Mode button "M" to select 4 kinds of stop barking modes, including: Beep Mode ②Vibration Mode ③Beep + Vibration Mode ④Beep + Vibration+Electric shock Mode ⑤Protect Mode The last intensity will be pressed if it is triggered over 7 times.It will started over the first step if each step not triggered within 10 seconds. After 1 minute of no operation it automatically resets back to the initial state (level 1). In protection mode, press the Power button or Mode button M to immediately reset to the initial operating state. In the case of continuous barking in the mode with E-shock mode, when two adjacent barks are within 10 seconds of each other, the bark collar will increase by 1 level, the bark collar will be gradually increased to a total of 7 cycles. After increased to Level 7, the collar would entering 1 minute. Protection mode (icon P will flashing) for your pet. Suggestions for the Appropriate Sensitivity Level The environment noise, temperament, breed or size of your dogs may affect the bark control effect. Here are suggestions for selecting the appropriate sensitivity level based on different environment conditions. Level 7-8 is suggested: Very Quiet Environment such as an indoor setting as if no one in home or late at night. Level 5-6 is suggested: Normal Environment Level 1-4 is suggested: Noisy Environment such as dogs playing or loud noises. (ex. music playing, TV on in the background) Setting The Product 1.Charge the bark control collar before using. You can charge the product via PC, power bank or adapter with output voltage of 5V for 2-3 hours. 2.Power ON/OFF the bark control collar. Long press and hold the Power button for 2 seconds until vibrates to Power ON the Device. To power off the device, press and hold the power button for 2 seconds until emits a long beep sounds. 3.Adjust the sensitivities. Short press the Power Button once to adjust the sensitivity level. Please selects the appropriate sensitivity according to the dog's temperament, breed or size and the noise of the environment in which it is used, with sensitivity levels 1-8, level 8 is the most sensitive and level 1 is the lowest sensitive. What's in the box? 1.Dog bark collar*1 2.User manual*1 3.Test bulb*1 4.Magnetic*1 5.Steel probes*4 6.Silicone probe covers*4