Features 1、Adjustable tone, volume and sensitivity to meet your needs. 2、Audio and visual alerts will enable you not to miss a bite and makes your fishing easier. 3、2.5mm jack socket for your swinger (not included). 4、3/8 brass bolt easy to fix on buzz bar (not included). 5、Powered by a 9v battery (not included). 6、Suitable for day and night fishing. 7、Lightweight and water resistant. Wonderful fishing gift for you. Features: Adjustable tone, volume and sensitivity to meet your needs. Audio and visual alerts will enable you not to miss a bite and makes your fishing easier. 2.5mm jack socket for your swinger (not included). 3/8 brass bolt easy to fix on buzz bar (not included). Powered by a 9v battery (not included). Suitable for day and night fishing. Lightweight and water resistant. Specifications: Material: ABS LED Quantity: 2 LED Color: Blue Power by: 1 * 9V Battery (not included) Screw Diameter: 0.8 cm / 0.31 in Color: Black/ Camouflage （optional） Size: 9 * 5 * 4 cm / 3.54 * 1.97 * 1.57 in Weight: approx. 75 g / 2.64 oz Package Size: 11.5 * 5.5 * 4.5 cm / 4.53 * 2.17 * 1.77 in Package Weight: approx. 88 g / 3.09 oz Package List: 1 * Fishing Bite Alarm Package List 1 * Fishing Bite Alarm