1.Length:4.2inch/10.9cm
   Weight:0.53oz/15g
2.Stationary state：floating
    Diving :2-8Ft
3.Charging Time:about 2 hours
Working Time: about 4-5 hours
4.Throwing the bait into the water,the green LED light will flash .Flashing lights attract fish more easily.
5.Usb charging can be used repeatedly.