LED Light: When the alarm is activated, the LED light illuminate brightly, and the LED light and warning alarm flash together to alert the fish. Practical Fishing Gear: Easy to install and use. An ideal fishing gear for fishing enthusiasts. It works with fishing alarms. High Quality: Made of galvanized iron, this luminous product is sturdy, firm and easy to use Easy to Use: Small and exquisite, easy to carry, and easy to install. You just need to put this alarm on the pole. Sensitive: When the hook touches the fish, it sound an ultra-sensitive alarm, which can prevent you from false alarms due to fish hooks or fish hooks. Colour:Red + Blue Material:Galvanized iron Package Contents: 2 x Fishing signal alarm(red + blue) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.