Features:
1.Adjustable tone, volume and sensitivity to meet your needs
2.Audio and visual alerts will enable you not to miss a bite and makes your fishing easier
3.Lightweight and water resistant
4.2.5mm jack socket for external products
5.Suitable for day and night time fishing.
6.Waterproof soft feel Casing

Specifications:

1.Color: Black  
2.Size: Approx.11.5 X 5 X 4.5cm(L X W X H)  
3.LED Number: 2    
4.LED Color: Black
5.Battery: 1 X 9V Battery(not included)  
6.Screw Diameter: Approx.0.8cm/0.31in  
  1 x Fishing Bite Alarm