This fishing bite alarm set can be useful for anglers at night. It can help them get a lot of fish and have fun. Specifications: Material: ABS & Copper LED Color: Blue and Green Receiver Distance: 100m Receiver Battery: 1 * 9V Battery(not included) Alarm Battery: 1 * 9V Battery(not included) Package Size: 34.5 * 23 * 5.5cm / 13.58 * 9.06 * 2.17in Package Weight: 842g / 1.86lb Package List: 4 * Fishing Bite Alarms 1 * Receiver 1 * User Manual(English) 1 * Case