Satellite tracking follower $ 31.32 Material: PVC Model: V47 Memory: 1 (M) GPS positioning accuracy: 5-50 (m) Alarm mode: vibration alarm, movement alarm, overspeed alarm Dimensions: 52(L)42(W)15(H)mm(mm) Battery type: lithium battery Battery life: 80 (h) Waterproof function: IPX67 Antenna type: built-in External power supply form: external Type ": Pet locator