��Features:Features of bite alarm:8 LED indication.Adjustable sensitivity， volume， tone button.256 variable code to prevent interference from another angler.LED alarming signals with high output speaker.High visibility LED latching about 40 second memory.Extra jack for illuminated swinger (NOT included).Features of receiver:Operating range more than 100m.4 different color LEDs to match 4 different alarms.On / off， sound， vibration switch.LED alarming signals with high output speaker.Automatically paired.��Specifications:Bite alarm size: 9.1 * 5.5 * 3.7cm / 3.6 * 2.2 * 1.5inReceiver size: 10 * 5.8 * 3.6cm / 3.9 * 2.3 * 1.4inZippered case size: 32 * 21 * 5cm / 12.6 * 8.3 * 2.0inTotal weight: 656g / 1.44lbPackage size:? 34 * 23 * 6cm / 13.4 * 9.1 * 2.4inPackage weight: 779g / 1.72lb��Package List:4 * Bite Alarm1 * Receiver1 * Zippered Case1 * User Manual (English)