Dog Ovulation Detector Tester  waterproof Breeder Canine Mating Convenient Mating Pregnancy Plan, Automatic Tester Mating Bitches Dog Tools.  Features:   1. One-button operation, just plug in the instrument and press the button to get data, with detailed manual.   2. Using alloy probe, the data is more accurate. Suitable for 99% of pet dogs.   3. Put the dog in a standing state before use, insert the probe obliquely upward, 4 cm for small dogs, 6-8 cm for medium dogs, and 10 cm for large dogs. After inserting, keep the instrument still, after rotating for two weeks, click the button, the data will appear, measure the data three times, and compare the data in the instruction manual based on the closest two sets of data to get the result.   4. Power supply mode: 1 * 9V battery (included)   5. The whole instrument is waterproof, so the whole body of the instrument can be cleaned. The handle is ergonomically designed, making it more convenient to use the instrument.     Specification:   Display: 2.6 inch LCD   Detection speed: within 3s   Detection range: 10-1990 units   Working temperature: 0-50 degrees Celsius   Maximum humidity: 85%   Power supply: 1*9V battery (included)   Colour: Black   material: plastic   Product size: 35*13*12cm   Product weight: 0.7kg     Package Included:   1 x Dog Ovulation Tester