This Ultimate Eonic Bite Alarm set consists of 4 bite alarms with a matching receiver with a range of no less than 200 meters! The set is 100% waterproof and has many features including a nightlight and memory function. The different settings – adjustable volume, pitch and sensitivity – allow you to adjust the set to your own preferences. The Eonic Bite Alarm set is conveniently packaged in a deluxe hard case or pouch for safe storage and transportation.