Feature: 1. Audio and visual alerts will enable you not to miss a bite and makes your fishing easier. 2. LED alarming signals with high output speaker. 3. High visibility LED latching about 20 seconds. 4. Adjustable volume control. Silent mode. Adjustable tone control. 5. Adjustable rubber strap to easily install on your fishing rod(not included). 6. Suitable for day and night time fishing. 7. Powered by 3* LR44 button cells(not included). 8. Low battery singal. Specification: Wonderful gift for you. Features: Audio and visual alerts will enable you not to miss a bite and makes your fishing easier. LED alarming signals with high output speaker. High visibility LED latching about 20 seconds. Adjustable volume control. Silent mode. Adjustable tone control. Adjustable rubber strap to easily install on your fishing rod(not included). Suitable for day and night time fishing. Powered by 3* LR44 button cells(not included). Low battery singal. Specification: LED Color: Red / Yellow / Blue / Green (optional) Material: ABS + Rubber Battery: 3* LR44 button cell (not included) Size: 7.5 * 3.5 * 3 cm / 3.0 * 1.4 * 1.2 in Rubber Strap: 8.5 cm / 3.3 in Weight: approx. 34.2 g / 1.2 oz Package List: 1* Bite Alarm NOTE: LED color displayed in photos may be showing slightly different on your computer monitor since monitors. But not to impact the quality and quantity.Thank for your understanding. Package List: 1* Bite Alarm NOTE: LED color displayed in photos may be showing slightly different on your computer monitor since monitors. But not to impact the quality and quantity.Thank for your understanding.