Battery [standby for about 1 month + historical track + fence alarm] receive and use | Upgrade battery [standby for about 40 days + quick positioning + historical track] received immediately | 4G burst battery [standby for about 40 days + signal stability + anti-offline] received and ready to use | 4G explosive solar energy [standby for 1-2 months + solar battery life + stable anti-offline] received and ready to use | 5G mountain sheep special [standby for 1-2 months + dual signal anti-offline + mountain signal enhancement] received and ready to use | 5G mountain dual-signal solar energy [standby for 2-3 months + fence track + dual-signal anti-offline] received and ready to use | 5G mountain cattle special [standby 4-5 months + anti-fall wear + dual signal enhancement anti-offline] received and ready to use | 5G battery aluminum box [standby for 5-6 months + cold anti-freeze + dual signal anti-offline] received and ready to use