GPS Dog And Dog Activity Monitor With Unlimited Range, Waterproof GPS Dog and Dog Activity Monitor with Unlimited Range, Waterproof Check pet's position at any time, kpet's moving direction clearly, prevent your pet from being lost and stolen, and retrieve your pet at the next time. Real time positioning,Waterproof function,Mobile inquiry,Electronic fence,Track query,Low power alarm,Standby time,Silent care Color:As shown in the figure GSM： MTK2503D GPS: GPRS + Beidou + lbs GPS sensitivity: (- 165db) GPS accuracy: 5-15m Lbs accuracy: 100-1000m Default mode: upload once an hour, standby for 4-5 days Standard mode: upload once in 30 seconds, standby for 12-15 hours Working visibility: 20 C to + 55 C Battery: polymer 500 mA GSM frequency: 850 / 900 / 1800 / 1900MHz U.S.A 2G card matching：T-Mobile/AT&T、NET10、Just be outspoken Sim card、SIMPLE Mobile（Use T-Mobile towers）、Telcel América、Black wireless、Cellular One、Go Smart、Wall Mart Family Mobile（Use T-Mobile towers）、Fuzion Mobile and Suncom、Airvoice、CTC、Edge、Indigo、Tuyo、7-Eleven、Callplus、O2、Lucas、Suncom、Greenfly、 Material: ABS + PVC Products include: 1 x pet locator Note: 1.Please allow 1-2cm error due to manual measurement. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.