Features: Engineered with a high sensitivity sensors, this fishing rod alarm instantly detects subtle water movements up to 500 meters, outperforming traditional delayed response alarms for precise bites detection. Features LED alarm, delivering clear fish bites signals in various environments while indicating through visual cues. Ideal for anglers engaging in night fishing, extended coastal, or rainy conditions, offering reliability for both beginners and seasoned enthusiasts. Built with IP67 waterproof housing and plastic, it thrives in saltwater environments without compromising performances. Universally fit most fishing rods (supports 30kg lines) and installs in seconds, streamlining your setup for freshwater, surfcasting, or ice fishing adventures. Specifications: Component: Plastic Visual Distance: about. 100m Battery: CR1225 battery (Include) Weight: about. 4.2g Size: about. 3.3x2.7cm/1.3x1.06in Pattern: 2 pattern optional Package Includes: 1pc Fishing Alarm note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.