... gps kid locator 2. mini in size 3. SOS alarm for emergency 4. listen in function 5 with key ring hole, easy ... terminal; TCP/UDP protocol; Internal li-ion battery.Specifications: GPS ChipsetSiRF StarIII or MTKGSM ModuleGSM 900/1800MHzGPRS ProtocolTCP/UDPPosition Accuracy5 ... 4.2 – 5.5V, 400mADimension78×48×20mmN.W.60g mini GPS tracker for pet, small, waterproof, long standby, sos, alarm, voice monitor