Description: Adjustable sensitivity and volume allow you to adjust it according to your needs. The high-brightness warning light makes it obviously visible even from 100 meters away. Accurate pull and return alarms allow you to avoid premature rod pulls. And the anti-theft feature makes it very reliable and practical to use. Made of plastic material, it is very durable to use. The length of this product is 8.5cm, the width is 3.5cm and the height is 4.5cm. It is suitable for fisherman, fishing, entertainment, outdoor and so on. You can install the alarm on the fishing rod, tie the line and turn on the power switch device to fish. Item Name: Fishing Bite Alarm Material: Plastic Sensitivity: 5-300g Battery: 2 x AAA Batteries (Not Included) Features: High Sensitivity, Anti-theft, Easy to Install Size Details: Size: 8.5cm x 3.5cm x 4.5cm/3.35" x 1.38" x 1.77" (Approx.) Strap Length: 12.7cm/5" (Approx.) 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. Package Includes: 1 x Fishing Bite Alarm