1. One click on/off is a great helper for pets 2. Magnetic charging is and more reassuring 3. Waterproof and bite upgraded pet locator 4. 4G Fengshao high-speed data transmission 5. Newly upgraded to protect your pet's safety Positioning method:GPS+AGPS+BDS+LBS Battery capacity:polymer battery 420mAh Main chip:ASR1606C External voltage:12/24V DC Communication frequency band:LTE-FDD B1/B3/B5/B8 LTE-TDD B34/B38/B39/B40/B41 Due to different batches, there may be differences in product appearance and printed text, which not affect use (Pay attention to the 4G frequency band. If the frequency band does not match, it cannot be used) Built-in card, if it cannot be used, you can replace it yourself Colour:As Shown Material:ABS Size:5.2x4.5x2.1cm Package Contents: 2 x Locator 2 x Charging Cable 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.