Material: Plastic Size: 1.7*2.5*2.9cm / 0.66"*0.98"*1.13" Color: As shown 1. High-sensitivity fish sensor, accurately captures every bite signal, and does not miss any opportunity to catch fish. 2. Special alarm for sea rods, supports multi-mode reminders (sound, light and vibration), making night fishing easier and more efficient. 3. Built-in strong LED night light, adjustable brightness, clearly illuminates the tip of the fishing rod, suitable for various night environments. 4. Low power consumption design, ultra-long battery life, convenient and fast USB charging, to meet long-term fishing needs. 5. Waterproof and shockproof structure, adapt to complex outdoor environments, suitable for sea fishing, lure fishing, night fishing and other scenes. Package includes:3pcs Sea pole alarm