Connectivity: connects to Alexa and Google Assistant. Smartphone app connectivity for complete system control, no matter where you are. · Performance: Advanced algorithm prevents false alerts. Powerful alarm both in the pool and in the home units. Quick and easy installation, all HW included. · Compatibility: Works in any type of pool, spa and garden pond. Up to 4 pool units can be connected to one household unit, for large pools or multiple pools/spas. Portable so you can take it with you on vacation. Meets ASTM-F2208 requirements. Reliability: 3-year manufacturer's warranty. Made from highly durable materials for maximum reliability. IP68 waterproof certificate. BCone uses a smart feature called swim mode. When swimming mode is activated, the alarm will not go off to allow swimming. If no movement is detected for several minutes, the system will automatically reactivate, and in the event of a fall into the pool, a siren will go off. Brand LIFEBUOY MAKE YOUR POOL SAFER Power supply Battery Product dimensions: length x width x height 25.9 x 51.1 x 24.9 centimeters Stack Description 3.7V, 2000mAh 7.4Wh Number of batteries 1 Lithium Ion required(s), included(s) The BCone system consists of a pool unit, a home unit and smartphone connectivity. The pool unit floats on the surface of the water and covers an area of ​​20 x 40 feet. Additional pool units can be purchased separately to cover larger areas. BCone works on any size, shape, or type of above-ground or in-ground pool, backyard pool, or hot tub. The system is portable so you can take it with you. Two replaceable AA batteries come already installed inside the pool unit. There is no need to turn it on. Simply fix it to the pool with the included fixing kit. The WiFi enabled home unit allows full control of the pool unit, including 5 levels of programmable sensitivity. Up to 4 pool units can be connected and individually controlled from one easy to operate home unit. The unit is powered by direct connection to an electrical outlet, using the included USB-C cable, with a rechargeable backup battery in the event of a power outage. Download the optional BCone app on your smartphone to manage the pool units remotely. The application's user-friendly interface allows for quick installation and operation. The BCone pool security system gives you the ultimate peace of mind. Download the optional BCone app on your smartphone to manage the pool units remotely. The application's user-friendly interface allows for quick installation and operation. The BCone pool security system gives you the ultimate peace of mind. Download the optional BCone app on your smartphone to manage the pool units remotely. The application's user-friendly interface allows for quick installation and operation. The BCone pool security system gives you the ultimate peace of mind.