The ToySplash Electronic Pool Gate Alarm is designed to alert you upon unsupervised entry to your yard or pool area. This alarm includes the following features: Convenient Single Button Pass / Reset Operation. 7-Second Delay Allowed for Adult Pass-Through. 120 dB Alarm Siren - Minimum 95 dB at 10 feet. Auto Low Battery Chirp. Our water resistant alarm is an always-on device as required by barrier codes. This alarm can be manually reset or will automatically reset in 3 minutes. The alarm goes off immediately when triggered and operates on 1-9 volt battery (not included). All the hardware for mounting on gates, doors, and windows is included. Keep children and pets safe with the the Electronic Pool Gate Alarm from ToySplash!