Feature: 1. It is very convenient to connect wireless devices anytime, anywhere, connect your phone and tablet. 2. The distance between the mobile phone and the wireless ultrasonic machine can be detected synchronously within 15 meters. 3. Suitable for emergencies, clinics, outdoor and veterinary inspections, and pregnancy tests for large dogs, pigs and sheep. 4. USB charging, 3400 mAh battery, long use time, compact size, and lightweight, easy to carry. 5. Image resolution is high, high measuring accuracy and sensitive response, good helper in breeding work. Specification: Item Type: Veterinary Ultrasonic Machine Material: ABS Color: As shown in the picture Size: Approx. 15x5.5cm / 5.9x2.2in Weight: Approx.660g/23.3oz Rated Voltage: 5V Applicable Objects: Rabbits, sheep, dogs, pigs Purpose: Breeding equipment Probe Type: Magnetic levitation Scan Depth: 100~180mm/3.94~7.09in Blind Area: ≤5mm/0.2in Display Way: Mobile phone, tablet Display Mode: B Image Grayscale: 256 levels Video Playback: 100 Frequency Adjustment: 3.5MHz Image Storage: Mobile phone, tablet Power Consumption: 1W Battery (Built-In): Lithium battery, 18650 model, 3.7V, 3400 mAh Switch Button: Short press for 2 seconds to turn on, long press for about 10 seconds to turn off) (provided there is electricity)Battery Duration: 4.5 hours Battery Indicator: Red: The battery power is too low, please charge as soon as possible. Green: Charging is complete. Probe Cleaning Method: 1. After using each probe, you need to clean the probe. 2. The front end of the probe can be cleaned directly with water or damp cloth/paper towel. The probe is waterproof and can be rinsed with clean water in a short time, but do not directly immerse the probe in water. Preservation Method: When the probe is not in use, please store the probe in an appropriate package to avoid severe vibration and damage to the probe. And avoid exposing the probe to excessive temperature. . Package List: 1 x Veterinary Ultrasonic Machine1 x USB Cable1 x English Manual Note: 1. It is strictly forbidden to collide and drop the host.2. The best charging time for the host is 2 hours. 3.Only support for android and for huawei system, does not support for ios system.