Features:<br>Long Battery Life and Multiple Charging Methods: This device can stand by for 30 days on a single charge, and it can be charged in various ways, such as through a laptop, car charger, power bank, or USB adapter. It is convenient and quick, meeting different usage environments and needs.<br>Effective Control Distance: The effective control distance of this product can reach 50 feet, which can effectively prevent dogs from barking and keep the environment quiet, whether indoors or outdoors.<br>Waterproof and Durable Design: This product adopts an IP54 waterproof level, which is sturdy and durable. It can be hung anywhere indoors or outdoors without worrying about the impact of rain and humidity.<br>Three Modes for Different Dog Breeds: This product has pulse mode, continuous mode, and frequency conversion mode, which can be selected according to the dog"s personality and habits, suitable for all sizes and breeds of dogs.<br>Automatic Bark Stopper: This product is an automatic bark stopper for dogs, which can automatically detect and stop the dog"s barking without manual intervention, convenient and practical.<br><br>Specification:<br>Optional color: Black / Green <br>Supply Voltage: 18650/3.7V Li-ion/1500mAH<br>Charging current: 500MA<br>Charging time: 4 hours<br>Charge Management: With OVP function, can withstand up to 30V input voltage<br>Shutdown Current: 17UA<br>Standby current: around 440uA<br>Normal Frequency Operating Duration: 40 days (100 triggers per day)<br>Ultrasonic operating current: 100MA-210MA<br>Button: one, long press for 2 seconds to turn on the power, and then long press for 2 seconds the display flashes 3 times to turn off the power<br>Gear: 3 gears<br>Shutdown voltage: 3V<br>Low Battery Indication Voltage: 3.2V<br>Sound pre-trigger: blue indicator light flashes once, the probe does not work<br>Sound Trigger: The red indicator light will be on for about 4 seconds, the probe will work and the display will be on for 4 seconds.<br>Ultrasonic probe: 25KHZ<br>Microphone: support / -27DB<br>Interface type: TYPE-C interface<br>Adapter: 5V/1A <br>Waterproof rating: IP54<br>Operating Temperature: -20 celsius to 60<br>Package size: 9.2*5.6*13CM<br>Package weight: 180g<br><br>Package List:<br>1* Repeller<br>1* Charging cable<br>1* User manual