Color: red light, yellow light, blue light, green light Net weight: 34g Size: 7.5 * 3.5 * 5cm Battery: three LR44 button batteries Specifications: 1. Alarm function features: low battery alarm function, LED flash and sound alarm, bright LED light for about 10 seconds, adjustable volume, tone, separate battery slot, use of three LR44 button batteries 2. Product shell: ABS engineering plastic is used to manufacture impact resistance, heat resistance, low temperature resistance, chemical resistance and excellent electrical performance 3. Vibration alarm: the fishing rod vibrates when the alarm is tied to the fishing rod, and the alarm alarms and lights up 4. Refined LED light: fish indicator light on the refined LED light is luminous and bright at night, reminding at all times 5. Advanced technology, energy conservation and environmental protection: low standby power consumption, especially power saving, energy conservation and environmental protection 6. Belt alarm: tie the belt behind the alarm to the fishing rod, the fishing rod vibrates, and the alarm will alarm automatically Package Included: 1 * Fishing alarm