Item Type: Fishing Pole AlarmMaterial: ABSGross Weight: 112g / 4.0ozBattery Type: dry battery (delivered without battery)Battery Model: 6f22 9V batteryBattery Number: 1Pc 1Adjustable Volume: The tone and volume can be adjusted to meet your needs, audio and visual alarms make it easier for you to fish without missing any fish. 2High Sensitivity: LED fishing bite alarm signal, high output loudspeaker, high sensitivity, powered by 9V battery (not included). 3Perfect Choice for Night Fishing: The luminous rocker with bright LED lights is very suitable for night fishing, LED fishing bite alarm kit can be used in low light environment, so you don't need to worry about missing the fish. 4Best Fishing Partner: This is the best fishing alarm for your freshwater fishing, seawater fishing adventure, travel, camping, etc. 5ABS Material: It is made of premium ABS material, which is firm, wear resistant, durable, not easy to damage, and has a long service life.