... alarm; Geo-fence alarm; Parking alarm; Flash; Voice Monitoring; Internal motion sensor; Sleep mode; Heartbeat detecting; GSM location; Set ... by hyper terminal; TCP/UDP protocol; Internal li-ion battery.Specifications: GPS ChipsetSiRF StarIII or MTKGSM ModuleGSM 900/1800MHzGPRS ... 4.2 – 5.5V, 400mADimension78×48×20mmN.W.60g mini GPS tracker for pet, small, waterproof, long standby, sos, alarm, ...