Serenity: the 1st anti-loss system. The wireless way to avoid losing anything ever again: Don't waste any more time looking for your keys in the morning or retracing your steps to get your mobile back from the corner of a restaurant table...     The Base Simple to use: a single button is all you need to activate the protection and another to launch the search for your objects. Details »     The Satellite The satellite is distinguished by a sound alarm and a green pilot light. It simply needs to be affixed to an object to become functional... Details »   Download Declaration of Conformity (PDF)               Transmission power Weight of base Weight of satellite Dimensions of base in mm Dimensions of satellite in mm Satellite supply Base supply   < 1mW 12 g 8 g (lxLxe) 41x60x29 (lxLxe) 34x54x5 3V button battery type CR2032 3V button battery type CR2032             The Innovi system uses ISM radio frequency bands, which are right-free and therefore do not require licensing. They pose no risk to the health: Innovi communicates at a transmission power that is 2000 times lower than that of a GSM telephone. This system is patented throughout Europe and United States, and has taken over 2 years of research with the contribution of radio frequency communication experts.