Product Description

A lanunch of the three receiver control distance:****5 sound:****5db frequency:**3.*2MHZ or **3.**5 MHZ or other battery:please advise battery life:6 months(average of five times daily) laundch size:please advise how it works:using RF technology, press the launch of a , within the framework of the control, the corresponding receiver will issue a beep beep beep to indicate a location of the lost property.