When a fish is grabbed, the device delivers a sound and vibration warning to alert you immediately. Key benefits Instant alerts: audible and tactile notification help you respond quickly even when you're not directly watching the line. Waterproof design: proven performance in humid environments such as lakes and rivers. Lightweight and portable: easy to carry without adding extra burden to your gear or workflow. Longlasting operation: designed for extended use without frequent charging, ensuring continuous lighting and alarm functions. Product attributes and performance Function: detects a grab and provides a combined sound and vibration warning plus continuous lighting. Environment: suitable for use in humid outdoor settings, including lakes and rivers. Weight: lightweight for easy handling and minimal fatigue during long sessions. Power and longevity: optimized for extended use with minimal charging interruptions. 23 practical use scenarios Bank or shore fishing on a lake: the alert system helps you notice a bite even when you're focused on other gear or line positioning. River or stream fishing in humid conditions: waterproof design maintains reliability in wet environments while you move along the bank. Night and earlymorning fishing: builtin lighting provides visibility and the alarm keeps you informed in lowlight conditions without constant checking.