To customers: life is full of surprises. Package Includes: 1 x Fishing Alarm Item Name: Fishing Alarm Material: ABS Features: Energy-saving Design, Waterproof, Flexible Rolling Wheel Color: Black Battery: 2 x AAA Batteries(Not Included) Size Details: 13cm x 7.5cm x 2.2cm Specifications: Adopting the low consumption bite alarm with environmental design, advanced technology, low battery warn function, LED indicator function, and adjustable sounding alarm design to use and save energy, then you will feel convenient. You can adopt bite alarm with AAA battery power supply design to catch the signal by touching gently to emit sound and red warning light as it has three modes high sensitivity rolling wheel. Made of ABS engineering plastic material, the bite alarm outer shell is with heat-resistant, impact resistant, low temperature resistant, and chemical resistant texture and excellent electric properties. The length of the bite alarm is 13cm, the width is 7.5cm, and the height is 2.2cm. It is suitable for fishing, fisherman, lakeside, etc. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Wefor excellence. And hope you have a nice day!