Name: 500M remote control electronic dog training device, rechargeable electric shock vibration buzzer, dog training device, bark control P-910 product manual: 1. Remote control: rubber oil on the surface feels good MODE button: Setting button: select sound, vibration, function 1 /2 key: choose 1 or 2 to use the one or two respectively Y key: use key, operate key after selecting function V key: vibration function, 1-9 files S key: Function: 1-9 files R, T keys: Sound selection: 1-9 files, decibel: 120 Power on: Long press the MODE button for 3 seconds, the LCD will display a blue screen, Up and down buttons on the side to select 1-9 gear adjustment function Charging: There is a soft glue on the top of the remote control, you can connect the charger after turning it on, and the red indicator light will be on when charging 2. Sound receiver: ON/OFF button: switch key, press and hold for 2-3 seconds, the product is turned on, the green indicator light is on, and the power is turned off and pressed for 2 times Charging at the soft glue place, open the soft glue to connect the charger, the red indicator light will be on when charging, and the light will not light up after being fully charged. Charge for about 3 hours. With waterproof function 3. Vibration Receiver: ON/OFF key: turn on the key, press and hold for 2-3 seconds, the product is turned on, the red indicator light will be on when charging, and the light will not be on after full charge. Charge for about 3 hours. With waterproof function 4. Charger: input; 100-240V, 50/60HZ, 0.5A Output: 9.0V 1.5A 5. Strap: length 70CM, width: 2.5CM 6. Remote control distance: straight line distance under obstacle-free interference: 500 meters 7. Packing size: 24*19*5.5CM