Description: PERFECT DESIGN: Double alarm for ringing and lighting. The fish ran away after a second or so, and the alarm rang twice. The fish ate the hook for more than one second, the alarm continued to sound for ten seconds, and the message was accurate. HIGH QUALITY: Made of high quality polycarbonate material, durable. FEATURE: Can filter false signals, for example, the fish does not really bite, the water grass shakes and pulls the fishing line, water surface blowing fish line. ADVANTAGE: High frequency red light, buffer alarms are more accurate. USAGE: Portable and easily installed. Fix the phishing alarm on the fishing rod, clamp the fishing line on the buffer, then the installation is complete. Specification: Material: Rubber, PC Color: Black Size Chart: 3.7x7.2cm / 1.46x2.83inch Belt L: 8.65cm / 3.41inch Package Includes: 1x Fishing Alarm (Include 3x LR44 )(6 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!