1. Dust and waterproof, fearless of wind and rain 2. Strong endurance low battery alarm 3. Multi landscape positioning mode, suitable for complex terrains such as mountainous areas, grasslands, and forests 4. Electronic fence exceeding alarm 5. Adjustable elasticity and excellent fit with animal necks, suitable for cattle, horses, and sheep GSN frequency band:850/900/1800/1900MHz GPRS standard:CIass12 Charging voltage:DC-5V/working voltage-3.7V Battery capacity:5200mAh Working temperature:-20-70 (Pay attention to the frequency band, if the frequency band does not match, it cannot be used) Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour:Black Material:ABS Size:9.2x5.9x2.2CM Package Contents: 1 * Locator Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.