These audio and visual alerts will enable you not to miss a bite and make your fishing easier.Features:LED alarming signals with high output speaker.Sensitivity / volume / tone and on/off control buttons to meet your needs.Audio and visual alerts will enable you not to miss a bite and make your fishing easier.2.5mm jack socket for swinger (NOT included).Lightweight and water resistant.Suitable for day and night time fishing.Well packed in a plastic carry case.Specifications:Material: ABSLED Number: 2 ?LED Color: BlueBite alarm size: 8.4 * 4.7 * 3.4cm / 3.3 * 1.9 * 1.3inPlastic case size: 21 * 15.5 * 5cm / 8.3 * 6.1 * 2.0inTotal weight: 411g / 14.5ozPackage List:3 * Fishing Bite Alarm1 * Plastic Case